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Find the incorrect answer from the following?
- a)Veins are typically larger in diameter than arteries
- b)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory system
- c)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressure
- d)Veins contain more blood than any other part of the circulatory system
Correct answer is option 'B'. Can you explain this answer?
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Find the incorrect answer from the following?a)Veins are typically lar...
On an average, capillaries are about 1 mm long and 8 mm in diameter. Although each capillary is very narrow, there are so many of them that the capillaries have the greatest total cross sectional area of any other type of vessel. Consequently, the blood decreases in velocity as it passes through the capillary beds, allowing more time for it to exchange materials with the surrounding extracellular fluid. Blood also loses most of its pressure in passing through the vast capillary networks and so is under very low pressure when it enters the veins.
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Find the incorrect answer from the following?a)Veins are typically lar...
Incorrect answer: Because of their small size, capillaries contain blood that is moving more quickly than in other parts of the circulatory system.
Explanation:
Capillaries are the smallest blood vessels in the body, with a diameter of only a few micrometers. Blood flow through capillaries is slow, which allows for the exchange of nutrients, oxygen, and waste products between the blood and surrounding tissues. Blood flow velocity is inversely proportional to the cross-sectional area of the vessel, meaning that the smaller the vessel, the slower the blood flow.
The correct statement is that blood moves more quickly in arteries than in other parts of the circulatory system, due to the high pressure generated by the heart pumping blood into them. In contrast, blood flow in veins is slower, as they rely on skeletal muscle contractions and one-way valves to push blood back to the heart.
Therefore, option B is the incorrect answer. The other options are correct and can be explained as follows:
- Veins are typically larger in diameter than arteries: This is because veins have thinner walls and less smooth muscle than arteries, which allows them to expand and hold more blood. Arteries, on the other hand, have thicker walls and more smooth muscle to withstand the high pressure of blood flow.
- The walls of arteries are elastic, enabling them to stretch and shrink during changes in blood pressure: Arteries have a layer of elastic fibers in their walls, which allows them to expand and recoil in response to changes in blood pressure. This helps to maintain a steady blood flow and prevent damage to the vessels.
- Veins contain more blood than any other part of the circulatory system: This is because veins serve as a reservoir for blood that is not currently needed by the body. About 60% of the body's blood volume is found in veins at any given time, while the rest is in arteries and capillaries.
Explanation:
Capillaries are the smallest blood vessels in the body, with a diameter of only a few micrometers. Blood flow through capillaries is slow, which allows for the exchange of nutrients, oxygen, and waste products between the blood and surrounding tissues. Blood flow velocity is inversely proportional to the cross-sectional area of the vessel, meaning that the smaller the vessel, the slower the blood flow.
The correct statement is that blood moves more quickly in arteries than in other parts of the circulatory system, due to the high pressure generated by the heart pumping blood into them. In contrast, blood flow in veins is slower, as they rely on skeletal muscle contractions and one-way valves to push blood back to the heart.
Therefore, option B is the incorrect answer. The other options are correct and can be explained as follows:
- Veins are typically larger in diameter than arteries: This is because veins have thinner walls and less smooth muscle than arteries, which allows them to expand and hold more blood. Arteries, on the other hand, have thicker walls and more smooth muscle to withstand the high pressure of blood flow.
- The walls of arteries are elastic, enabling them to stretch and shrink during changes in blood pressure: Arteries have a layer of elastic fibers in their walls, which allows them to expand and recoil in response to changes in blood pressure. This helps to maintain a steady blood flow and prevent damage to the vessels.
- Veins contain more blood than any other part of the circulatory system: This is because veins serve as a reservoir for blood that is not currently needed by the body. About 60% of the body's blood volume is found in veins at any given time, while the rest is in arteries and capillaries.
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Find the incorrect answer from the following?a)Veins are typically larger in diameter than arteriesb)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory systemc)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressured)Veins contain more blood than any other part of the circulatory systemCorrect answer is option 'B'. Can you explain this answer?
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Find the incorrect answer from the following?a)Veins are typically larger in diameter than arteriesb)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory systemc)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressured)Veins contain more blood than any other part of the circulatory systemCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Find the incorrect answer from the following?a)Veins are typically larger in diameter than arteriesb)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory systemc)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressured)Veins contain more blood than any other part of the circulatory systemCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Find the incorrect answer from the following?a)Veins are typically larger in diameter than arteriesb)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory systemc)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressured)Veins contain more blood than any other part of the circulatory systemCorrect answer is option 'B'. Can you explain this answer?.
Find the incorrect answer from the following?a)Veins are typically larger in diameter than arteriesb)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory systemc)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressured)Veins contain more blood than any other part of the circulatory systemCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Find the incorrect answer from the following?a)Veins are typically larger in diameter than arteriesb)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory systemc)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressured)Veins contain more blood than any other part of the circulatory systemCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Find the incorrect answer from the following?a)Veins are typically larger in diameter than arteriesb)Because of their small size,capillaries contain blood that is moving more quickly than in other parts of the circulatory systemc)The walls of arteries are elastic,enabling them to stretch and shrink during changes in blood pressured)Veins contain more blood than any other part of the circulatory systemCorrect answer is option 'B'. Can you explain this answer?.
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