Normally, oxygen from the blood cells supply your muscles with the energy it needs to carry out certain actions. However, when there isn't enough oxygen to support the muscles, it produces lactic acid, or fermentation, to make up for the oxygen. (That's why you get that burn-y feeling whenever you exercise!)
F. Cohesive behavior.
This is the unification of similar molecules within the molecular structure of an organism.
Answer: B)
The chemical composition of the cell walls of each in the two kingdoms varies.
Explanation: Usatestprep
Answer:
Small intestine allow nutrients to be absorbed.
Answer:
A. 2 cells are made from one cell
