well you are most likely growing which means that you may need to eat slightly more to not have an appetite
Aerobic respiration can produce a maximum of 38 ATP per glucose molecule. Anaerobic respiration can produce 2 ATP per glucose molecule. As a result, aerobic respiration is about 19 times more efficient.
The circulatory system helps circulate blood throughout the body.
The respiratory system helps move air and oxygen throughout the body.
A. Bronchi and bronchioles
