Aug 092018
 

Then most people think of the respiratory system, they naturally focus on the lungs and breathing. Indeed, breathing is a necessary function of a healthy body. Without the lungs taking in air, the cells of the body could not operate properly. However, the lungs are only one part of the respiratory system. The respiratory system also includes the nose, mouth, pharynx, larynx (voice box), trachea (windpipe), bronchi, alveoli, and diaphragm.
GET IT FREE HERE
ALTERNATIVE LINK
Share Button

Related Post

Sorry, the comment form is closed at this time.