Question

What is meant by respiration? Why is respiration
essential for living organisms? for class 6 ​

Answer 1

Answer:

In physiology, respiration is the movement of oxygen from the outside environment to the cells within tissues, and the transport of carbon dioxide in the opposite direction.Respiration is the process of exchange of gases from tissues to the outside and vice versa. Oxygen is taken in while carbon dioxide is given out . It is essential because we require energy to perform each and every function of our body . The energy is provided by the breaking down of glucose inside the cells in presence of oxygen . Thus to obtain energy respiration is essential.

All living organisms respire. Cells need and use the energy that is formed through this process to assist with life processes in order for organisms to survive and reproduce. Oxygen and carbon dioxide are the main gases involved in aerobic respiration. ... They carry out gas exchange in a different way to mammals.

Answer 2

Answer:

respiration is the process of taking oxygen in .

respiration is essential for living organisms because without oxygen human beings can't live and plants can't make food because of carbon dioxide which is released by human beings