Why do we need to maintain a constant internal environment (and the role of hormones)?

1

What is homeostasis?

2

Where is ADH produced?

3

What is the target organ or organs of insulin?

4

What role does adrenaline have?

5

Which of these statements is correct?

6

Electrical signals are used by which control system?

7

What is a hormone?

8

What is the control of water specifically called?

9

How does water enter cells?

10

What scientific term is given to firm cells full of water?