Answer:
Your kidneys remove wastes and extra fluid from your body. Your kidneys also remove acid that is produced by the cells of your body and maintain a healthy balance of water, salts, and minerals—such as sodium, calcium, phosphorus, and potassium—in your blood.
Explanation:
A phrase to describe a negative feedback loop could be: self-regulating (though I'm not sure the exact word you're looking for).
Gender expression is how, for example, a female or male shows their way of either feminity or masculinity. It is how a person expresses their thoughts and opinions of being that particular gender by either wearing certain clothes or styling their hair in a certain way.
The regulatory system given to this particular question would be Homeostasis. homeostasis means that it creates a balance between things that are interdependent upon each other.
