Question

what is respiration​

Answer 1

$\Huge{\large{\underline{\textsf{Respiration}}}}$

a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances

Answer 2

Answer:

Respiration is the process by which energy is released from food in our body. The function of respiratory system is to breathe in oxygen for respiration producing energy from food, and to breathe out carbon dioxide. With the help of lungs gases are exchanged between the blood and the air.