1. How many muscles are in the human body?
2.What diseases affect the muscular system?
3. What are the functions of the muscular system?
4.what are two types of muscle fibre?
They were completely heterophic in nature because it allowed them to absorb different material from the environment as an energy source
Answer:
a nucleus or organelles :)
Explanation:
a prokaryote is a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles.
Only shows external structure and low power
