What is the difference between between pulmonary artery and pulmonary vein? (I will mark you as brainleist)
Answers
The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
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Related Questions
Which of these minerals and mineral resources is composed of the remains of plants that lived and died millions of years ago? A. Coal B. Aluminum C. Salt D. Petroleum
Answers
Answer:
Option A.
Explanation:
Coal is the correct answer because the coal is an organic sedimentary rock. These are formed from the dead remains of plants that were buried millions of years back.
A diagram of a wave is pictured below. What does the length from A to B represent?
Answers
Answer:
wavelength
Explanation:
the distance between two successive crests or troughs of a wave is called wavelength
The diagram shows the distance between two successive crests or troughs of a wave, and it is called wavelength.
What is wavelength?Typically, wavelength is measured from crest to crest or from trough to trough in transverse waves with points vibrating at right angles to the direction of their advance.
It is measured from compression in longitudinal waves with points vibrating in the same direction as their advance.
It is a property of both traveling waves and standing waves, as well as other spatial wave patterns.
Therefore, It is the distance between two successive corresponding locations of the same phase on the wave, such as two nearby crests, troughs, or zero crossings.
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Which of the following genotypes would you not expect to find among
the offspring of a DdFf x ddff cross?
Ddff
DDff
DdFf
ddff
Answers
Answer:
DDff
Explanation:
Karen felt dazed and lightheaded one evening. She then developed a headache, so she took 2 aspirin and went to sleep. When she woke up, she could not move her right arm, she was experiencing tingling sensations in her limbs, and had a hard time with her balance. She called for help and when the ambulance arrived, Karen was confused and unable to form words, but could understand the EMT. Evaluation at the ER determined she had an ischemic stroke
Answers
it was bc karen didnt get to yell at any managers, casing her illness
what is hypoglacemia and what are the symptoms of its?
Answers
Answer:
Hypoglycemia is a condition where your blood sugar is lower than normal
Its symptoms are fatigue, irregular heartbeat, pale skin, shakiness, sweating, hunger, and anxiety
Explanation:
what is a point of view?
Answers
Answer:
point of view is a particular attitude or way of considering a matter.
Explanation:
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Why is Gene Therapy considered an effective (helpful) method to treat genetic disorders?
A) It enables a diseased cell to self-correct and fix its own defective (non-working
gene
B) It increases the likelihood (chance) of passing genetic mutations to offspring
C) It replicates resistance genes in the cells of unhealthy individuals
D) It replaces a defective gene with a healthy gene
Answers
Answer:
D) It replaces a defective gene with a healthy gene
Explanation:
Gene therapy is the process of replacing defective genes with healthy ... genes to help the body fight or treat disease, or deactivating problem genes.
The heart is the most
important organ in the
circulatory system. What is
the main function of the
circulatory system?
Answers
Answer:
The main function of the circulatory (or cardiovascular) system is to deliver oxygen to the body tissues, whilst simultaneously removing carbon dioxide produced by metabolism.
To take in matter or energy
collection
liver
composition
absorption
Ok
Answers
Explanation: “The process or action by which one thing absorbs or is absorbed by another.”
In this case, matter and energy is absorbed.
Friction is a force exerted in the direction opposite to an object's motion, which means friction will cause an object's
velocity to decrease.
-true or false?
Answers
Answer:
true
Explanation:
think of a box, if you push it on a smooth floor without friction it would glide pretty easy
but put it on say carpet, the friction from the carpet would not allow the box to move very far
that's also how brakes work, they apply friction to the wheels in order to get them to reduce motion
Which of the following statements about energy producing technologies is true?
A. Some currently used energy producing technologies have no disadvantages
B. Alternatives to non-renewable energy sources can be as effective
C. Air pollution is common to all energy producing technologies
D. Alternatives to non-renewable energy sources are typically more damaging to the environment
Answers
Answer:
b. Alternatives to nonrenewable energy sources can be as effective.
Explanation:
Answer: b. alternatives to non-renewable energy sources can be as effective
hope this helps :)
Explanation:
i just took the test
What is the role of retina?
Answers
Answer:
It is where images are formed.
Explanation:
The retina has two light sensitive cells;
rods- responsible for dim light.
cones- responsible for bright light
HELP ME!! Do you think we should build von Neumann Machines if we have the necessary capabilities? What instructions should we give them if we do?
Answers
Answer:
Explanation:
Control Unit retrieves data and instruction in the same manner from one memory. Design and development of the Control Unit is simplified, cheaper and faster. Data from input / output devices and from memory are retrieved in the same manner.
1. A ________ is a push or a pull. A. acceleration
B. force C. motion D. velocity
2.The force resulting from the pull of Earth on an object ject A. mass
B. gravity
C. weight
D. acceleration
3. The force that one surface exerts on another when the two rub against each other is called
A. gravity
B. Inertia
C. friction
D. acceleration.
4. When you slide a box across the floor what force must your push be stronger than?
A. support force B. friction force C. gravity
D. air resistance
5. The moon has a smaller mass than the Earth. If you were able to travel to the moon your weight would...
A. increase
B. decrease
C. stay the same
D. vary with day and night
asap
thank u
Answers
Answer:
1. B
2.B
3. C
4. B
5. C
Explanation:
Explain the importance of enzymes in a
chemical reaction.
Answers
Answer:
Enzymes allow many chemical reactions to occur within the homeostasis constraints of a living system. Enzymes function as organic catalysts. A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions.
Explanation:
- Eijiro <3
plsss help!!!
Which of the following images show high air pressure? (2 points)
A and B
A and D
B and C
C and D
Answers
the answer is A and D
Answer:
creo que es la c
Describe a problem in your life and an invention that would solve that problem.
Answers
Answer:
A problem in my life that I have is when I am cooking. When I need to cook something on the stove I use butter on the pan so it won't stick. But getting out that block of butter and trying to cut a perfect slice of butter is always such a freakin hassle. So, a squeezable butter or a butter slicer mechanism that can use would be fantastic.
Or, how about when I use peanut butter. When I use peanut butter for like a PB and J I try to scrape the excess peanut butter back into the jar and whatevers left in the jar but then whats left on the knife is such a pain to wash off. so like a really good scrubber to help wash off peanut butter would be cool.
Explanation:
I have so many life problems
Many discoveries and inventions are required for people's better health or living conditions, such as an inhaler for asthma patients, which helps and allows them to enjoy their lives, or the invention of devices such as computers, etc., which connect people all over the world.
What is the importance of inventions?In general, inventions have the potential to improve people's lives, solve problems, and make tasks easier or more efficient, such as the invention of digital platforms, robots, etc, that help humans in different ways. They can also contribute to the advancement of science and technology and drive economic growth and an invention can have a large impact on society and change people's lifestyles.
As a result, numerous discoveries and inventions are required for people's better health or living conditions, such as an inhaler for asthma patients, which helps and allows them to enjoy their lives, or the invention of devices such as computers, etc., which connect people all over the world.
Learn more about the importance of inventions here.
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which substance is the focal point of climate models such as sea ice, heat and salinity exchange, and phase changes?
A. Methane
B. Carbon dioxide
C. Water
D. Nitrogen gas
Answers
Carbon dioxide is the focal point of climate models. The correct option is B.
What are climate models?Climate models, also widely recognized as general circulation models, employ mathematical equations to describe how matter and energy interact in various areas of the ocean, atmosphere, and land.
Its focal point is carbon dioxide that can correlate with sea ice, heat and salinity exchange, and phase changes.
Thus, the correct option is B.
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* Which proces best explains how antibiotic resistance in bacteria can occur?
pls help
Answers
Answer:
Antibiotic resistance is a consequence of evolution via natural selection.
Explanation:
The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this traits to their offspring which will be fully resistant generation
Whales, humans, lizards, and birds each have forelimbs that are adapted for different functions, including swimming, using tools, walking, and flying. While different in function, these forelimbs share a similar skeletal structure of the humerus, radius, and ulna. How does a comparison of the forelimbs of these organisms provide evidence for evolution?
A. These homologous structures indicate that these four organisms all share a common ancestor.
B. These analogous structures indicate that whales are descended from organisms that lived on land.
C. These analogous structures indicate that these four organisms all experienced convergent evolution.
D. These homologous structures indicate that humans, whales, and birds all evolved from a lineage of lizards.
Answers
Answer:
A. These homologous structures indicate that these four organisms all share a common ancestor.
Explanation:
Homologous structures mean the organs will have similar structure, but not necessarily function (human arm vs whale's flipper). While analogous structures are similar in function but not structure (wings of an airplane vs wings of a bird). Since the question states that they are similar in skeletal structure, we know they must be homologous structures, thereby eliminating B and C. D is not a choice because the question does not provide anything about the order of evolution. Therefore the answer is A. These homologous structures indicate that these four organisms all share a common ancestor.
3. How would the bat population influence the number of cactus fruit that develop?
!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
As the months pass, the table shows that the number of bats also causes an increase in the number of cactus flowers and fruit.
The cactus fruit don't seem to form in large number until the cactus flowers are also going up more in number. This is because pollination is necessary to form the fruit.
Based on this information:
The more bats in the population, the more pollination takes place, and the more cactus fruit is available as a result.
However, if the bats hit carrying capacity, they will be at a population number that is now bad for the number of cactus fruit, since there won't be enough food to feed the population- as more bats eat more fruit, the cactus isn't able to keep up with growing enough fruit to feed the bats at carrying capacity.
I am made of many cells. My cells have an organized nucleus. I have two parents and eat only meat. Who am I?
Answers
Environmentalists are monitoring an area of tropical forest that is being
deforested because of human activities. The graph here shows the scientists'
predictions based on the data they have collected.
Tropical Forest Deforestation
100
100
80
80
70
60
53
Percentage of
Trees Remaining
40
20
10
0
2010
2015
2020
2025
2030
2035
Year
How is the ecosystem likely to change as a result? Select the two correct
answers.
Answers
Answer:
its 100
Explanation:
The ecosystem is likely to change as a result of Loss of habitat and Decrease in biodiversity. The correct options are C and D.
What is the meaning of ecosystem?It is biological system is a geographical region in which plants, animals, and other organic entities, as well as climate and environment, work together to form an air pocket of life.
As a result of deforestation, the ecosystem is likely to change in the following ways:
Loss of habitat: Deforestation is the destruction of forests, which results in the extinction of many forest-dwelling species.Reduced biodiversity: Deforestation reduces biodiversity in the ecosystem because many forest species are unable to adapt to the new conditions and may become extinct.Thus, the correct options are C and D.
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what does a centromere hold together?
Answers
Answer:
Structure in a chromosome that holds together the two chromatids
Explanation:
which type of tooth is mainly responsible for mechanical digestion
Answers
What main hormone that is released by the female ovaries is?
A. Estrogen
B. Eggs
C. Oxytocin
D. Testosterone
Answers
Answer:A
Explanation:
what came first the egg or the chicken cause if the chicken came first how did the chicken get there same with the egg how did the egg get made im so confused i need answers
Answers
Answer: My theory was that they both were created at the same time. So if they both were created at the same time, then I guess that would solve this whole infinite loop thing. If the chicken came first, then it had to have come from an egg. So that means if the egg came first, where did that egg come from? A chicken. So its just a whole infinite loop. So thats what I think.
Explanation: Hope this spiked your interest.
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Answers
2- 3.5
3- 22.3
4- 3.0
Dan Perkins was a policeman who was able to run a short distance in a very short time in order to escape the danger of a fire. What molecule allowed him to have a burst of instant energy to make that sprint?
Answers
Answer:
Adrenaline
Explanation:
The is the burst of energy caused by enzymes that send messages to the brain.Thus,resulting in Flight or Fight mechanism.
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A lake is home to a large number of trout. Identify what is most likely to happen if a chemical is dumped into the lake.
I. The trout will not be affected by the pollution.
II. The number of trout will increase.
III. The trout will suffer from disease.
A) I
B) I and II
C) III
D) II and III
Answers
Answer: C
Explanation: The process that occurred in the lake is natural selection. In the presence of an external environmental influence such as pollution, only the trouts that were fit to survive or in other words those that have the alleles that help in adapting to the new conditions live and increased in numbers. In such a case, one can say the fittest of the organisms survived and the corresponding allelic frequency in that population increased over time. The organisms carrying the other alleles died due to pollution and hence the overall frequency of alleles change.
A lake is home to a large number of trout the trout will suffer from disease is most likely to happen if a chemical is dumped into the lake. The correct option is C.
What is chemical pollution?Chemical pollution is the contamination of our environment with chemicals that are not naturally present.
According to scientific evidence, the trout in option will most likely suffer from disease.
Chemical pollution can harm aquatic life, including fish, by lowering oxygen levels, changing the pH balance of the water, and introducing toxins into their food chain.
Exposure to such chemicals can weaken the fish's immune system, making them more vulnerable to disease.
Option B and A is also less likely to be true because the introduction of chemicals into the water can disrupt the ecosystem's balance and affect the availability of food and oxygen, causing the trout population to decline.
Thus, the correct option is C.
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