Answer :
A. respiration
Respiration is the process of breathing.
Photsynthesis is the process a plant uses to create its own food.
Secretion is the movement of material from one point to another.
Excretion is the removal of waste.
A. respiration
Respiration is the process of breathing.
Photsynthesis is the process a plant uses to create its own food.
Secretion is the movement of material from one point to another.
Excretion is the removal of waste.