True, If we never use criticism or praise we will never learn.
A is the right answer because its the only one that makes sense
We get tired after exercise because our muscle fibers get tired very quickly. This is due to the major source of energy for the muscle tissue, called adenosine triphosphate, or ATP. As the muscles make use of this supply of energy, they get tired and fatigue.
The answer in A) Phlebitis because the abbreviation -itis means inflammation and phleb/o means vein.
