procees of respiration in human being
Answers
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.
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. Gases exchanged are oxygen and carbon dioxide. We can live without food and water for many days but we cannot live for more than a few minutes without air, as it is necessary for breathing. So, before discussing the human respiratory system, it is necessary to know the process of breathing which is an important part of respiration.