Answer:
"Fitness" from a biological perspective would mean the ability of a person's muscles and organs to perform tasks and functions at high levels.
Explanation:
not sample answer, in case that matters : ) good luck!
Scanning electron microscope is the answer.This type of microscope<span> is an instrument for observing at the atomic leve</span>
<span>No they don't,they have to work together for an organ to function.</span>