Answer:
In order, from least complex to most complex:
cells.
tissues.
organs.
organ systems.
organism.
Explanation:
An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint.
Answer:
probably because it’s either these 5 things; they want attention, they’re bored and whatever they’re doing is fun, they don’t know what’s annoying and what’s good, it’s none of these things, or its all of these things.
Explanation:
I'm sure it's true .because sperm particles contain 250 million particles.
If we look to the nucleus contain 1.5 million neurons.
