Question

what is circulation ? what is respiration ?​

Answer 1

Answer:

1.orderly movement through a circuit especially : the movement of blood through the vessels of the body induced by the pumping action of the heart. 2 : flow. 3a : passage or transmission from person to person or place to place especially : the interchange of currency coins in circulation.

2.the act or process of breathing : the inhaling of oxygen and the exhaling of carbon dioxide. 2 : the process by which cells use oxygen to break down sugar and obtain energy.

Answer 2

The process by which oxygen and nutrients are taken to the cells,and carbon dioxide and waste products taken from the cells is called circulation. Respiration is the process of gas exchange which involves the transfer of oxygen and carbon dioxide between the atmosphere and the blood