Answer:
I think the answer is To make energy
Explanation:
To release energy and carbon dioxide from the food with the help of the oxygen.
The answers are
1. nitrogenous
2. acid-base
3. fluid
C. calcium is your answer
Answer:
It is important because if not then life would not exist at all except maybe in single cells forms
Explanation:
The body is made of so many cells and without cell specialzation, the cells would not know what to do, they would all be the same. The liver is so different from the skin from the eyes, from the tongue, and so on. That is why we need it so our body can do what it is supposed to do.
Thatś only really one example but I hope it helps!
Internal fertilization protects<span> the </span>fertilized egg<span> or embryo from predation and harsh environments</span>