It means, process of eliminating waste matter..
Answer:
The respitory system and the nervous system.
Explanation:
I'm pretty sure
The answer I would choose is c
I think the correct answer from the choices listed above is option A. Cells divide in order to maintain a surface area large enough to support their cytoplasm. When they divide, their volume decreases which enables them to obtain enough nutrient and expel wastes.
Temperature stays in warmer times, let go In colder times
