39: The Respiratory System

respiratory system  Inhalation and exhalation is accomplished by respiratory muscles, namely the diaphragm and intercostal, neck and abdominal muscles The diaphragm contracts and Since the lungs process air, they are the only internal organs that are constantly exposed to the external environment Central to the human respiratory system

The respiratory system facilitates breathing In the alveoli tissue of the lungs, the exchange of oxygen and carbon dioxide molecules between the air and the Join the Amoeba Sisters for a brief tour through the human respiratory system! This video will

Respiratory system The respiratory system is made up of the organs included in the exchange of oxygen and carbon dioxide The respiratory system is divided The respiratory tract has two major divisions: the upper respiratory tract and the lower respiratory tract The organs in each division are