Question

How will the excretory system respond when an animal is thirsty?

Answer 1

Production of concentration urine to conserve water level of body.

Step-by-step explanation:

When an animal is thirsty, excretory system serves to conserve the water by production of more concentration urine. This is done to ensure the any further loss of water from the body of the animal.

For example: When a person is thirsty, the antidiuretic hormone (ADH) is released which in turn stimulate reabsorption of water from kidneys and production of concentrated urine.

Answer 2

Based on my research, here are the choices for the given question above.
A. by relaxing the striated muscles
B. by retaining body fluids
C. by absorbing heat from the digestive glands
D. by releasing hormones
Well, the answer is B. by retaining body fluids. When an animal is thirsty they need fluid that's why they are trying to retain their body fluids.