Question

How do respiration takes place in humans?

Answer 1

Respiration is the process by which living organisms take in oxygen and release carbon dioxide. The human respiratory system working in conjunction with the circulatory system,supplies oxygen to the body's cells, removing carbon dioxide in the process. The exchange of these gases occurs across cell membranes both in the lungs (external respiration) and in the body tissues (internal respiration). Breathing or pulmonary ventilation, describes the process of inhaling and exhaling air. The human respiratory system consists of the respiratory tract and the lungs.

The respiratory tract warms,cleans and moistens air during its trip to the lungs. Lungs is the major organ during the process of respiration.