Answer: the answer is (d)
Explanation:
The capability of both leptin and cholecystokinin in which they
have a similarity when a person has decreased its food intake. A leptin is a
way of helping an individual to regulate energy in means of having to inhibit
its hunger while the cholecystokinin is responsible for having to stimulate
digestions.
Answer:
I believe your answer would be --
B.) They remove urine from the body.