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!
Explanation: Rivalry
There is safety in numbers, and with that, they can run together more often without the fear of being attacked, and must push themselves to match others, therefor getting fit
Answer:
regulating important involuntary bodily2
function such as blood pressure ,heart rate,
breathing,and swallowing
