Q. 15.0( 3 Votes )

Observe the figure given below which represents the control of water concentration in the blood.



This is a negative feedback
A. It decreases the amount of water in the blood.

B. It increases any change occurring in the amount of water in the blood.

C. It reverses any change occurring in the amount of water in the blood.

D. It increases the amount of water in the blood.

Answer :

This is a negative feedback to reverse any change occurring in water concentration in blood. This system regulates and maintains required water amount in blood by excreting out excess water in the form of urine. If the amount of water in blood is reduced, more concentrated urine is formed to conserve water.

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