Question

Give reason:

(i)Veins have thinner walls than the arteries.
(ii)Hinge joint in our body is compared to the hinge of a door.​

Answer 1

Answer:

(i) Veins have thinner walls than arteries. This is because The pressure with which which the blood is pumped in arteries is more than that in the veins. Due to this, the arteries could burst, so the arteries have thicker walls than veins due to burst prevention.

(ii)Hinge joints are a type of joint that functions much like the hinge on a door, allowing bones to move in one direction back and forth with limited motion along other planes. The fingers, toes, elbows, knees, and ankles contain hinge joints. Hinge joints are complex and contain many muscles and tissues.

Explanation:

Already explained above.

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