I don't see any picture. Maybe you forgot to include it...
Your <em>excretory system</em> removes toxins from the body.
Organs in this system include the kidneys, large intestine, skin, and lungs.
Answer:
glucose
Explanation:
a compound made up of carbon hydrogen and oxygen that living things use for structural purposes and as their main source of energy is glucose which produce 36 ATP molecule on respiration which is one of the important source of energy and living organism use it for performing their activities