Question

write the function of the following: digestive system respieratory system excretory ​

Answer 1

Answer:

function of digestive system:

The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.

function of respiratory system:

The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the carbon dioxide produced by cellular metabolism.

function of excretory system:

The excretory system performs many functions such as: Eliminating waste products such as urea, uric acid ammonia, and other chemical products via urine. Maintaining the osmotic level of blood and plasma. Maintaining the electrolyte balance in the body.