7. What is meant Uy
Long Answer Type Questions
1. Give differences between arteries and veins.
2. Observe the given diagram and answer the following questions:
(a) Label the parts numbered 1-8.
(b) What is the function of part 5?
(C) Which veins carry oxygenated blood?
of blood does part 2 carry?
Answers
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Answer:
Since polar molecules cannot be transported across the plasma membrane, carrier proteins called glucose transporters are needed for cellular uptake.
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1
Answer:
Artery Vein
These vessels carry blood from the heart to various body parts. These vessels carry blood from the various parts to the heart.
Carry oxygenated blood from the heart except the pulmonary artery. Carry deoxygenated blood from the body parts except the pulmonary vein.
Blood flows under high pressure. Blood flows under low pressure.
Absence of valves. Valves are present to prevent the backward flow of blood.
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