Biology, asked by gamerinsane68, 3 days ago

Arteries do not have valves. Yet the blood flows in one direction only. Select the correct reason
1.Blood flow in arteries is rapid and at a high pressure. Also arteries have thin elastic walls.
2.Blood flow in arteries is rapid and at a high pressure. Also arteries have thick elastic walls.
3.Blood flow in veins is rapid and at a high pressure. Also they have thick elastic walls.
4.Blood flow in arteries is rapid and at a low pressure. Also arteries have thick elastic walls.

Answers

Answered by kaursumeet693

Answer:

Arteries carry oxygenated blood away from the heart. ... (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.

Answered by thotayatin171010301

Answer:

b. Blood flow in arteries is rapid and at a high pressure. Also arteries have thick elastic walls

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