15 The diagram refers to the control of water concentration in the blood.
water in blood rising
hu
water in blood falling
more water in urine
less water in urine
Why is this a negative feedback system?
It decreases the amount of water in the blood.
B It increases any change in the amount of water in the blood.
c
It increases the amount of water in the blood.
D
It reverses any change in the amount of water in the blood.
Answers: 1
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15 The diagram refers to the control of water concentration in the blood.
water in blood rising
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