Biological Functions

Biological Functions in plants

Nutrition

Respiration

Circulation

Excretion

Nutrition consists of taking in matter and energy in order to grow, survive and reproduce.

Circulation, is the function that transports nutrients, respiratory gases, and metabolic products throughout a living organisms.

Respiration is the process by which organisms exchange gases, especially oxygen and carbon dioxide, with the environment.

Excretion is the process that biological organisms use to expel or eliminate the waste products produced by their metabolisms.

.

Unlike animals, plants do not have specialized excretory organs. Excess carbon dioxide and oxygen are excreted from the plant through the stomata in the leaves.