Answer:
Explanation:
You need the respiratory system when you kick a ball because you need to be able to breath but if you are playing soccer this benefits the cardiovascular fitness level. Cardiovascular fitness is, according to the American Sports Medicine Institute, the efficiency of your heart, lungs and vascular system to deliver oxygen to your muscles to maintain activity.
The answer is differentiation.
Differentiation is the process changing less specialized cells to more specialized. In differentiation cells develop to possess a more distinct form and function.Completely differentiated cells cannot further differentiate to any other type of the cells. Adult skin cells have their own function and structure so they are <span>completely differentiated.</span>
B c a is the correct answer i think
To power the reactions use in respiration yeast uses sugar :)<span />
An advantage of conservation is B.