Enzymes are sometimes called biological catalysts
Respiratory- You breath faster to help supply the muscles with more oxygen.
Integumentary (skin) - Sweat helps cool down the body.
<span>Adenosine triphosphate or ATP is a way to store and use energy in the food we eat. If there is not enough ATP, this could lead to lesser oxygen in the cell on the food; hence, this will affect the energy that we can get from a certain food.</span>