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Michael Petrogeorge & Dallin Santistevan

Khanacademy. The Respiratory System - NHLBI, NIH. Interactive Anatomy Guide. [Continued from above] . . . act as the functional units of the respiratory system by passing oxygen into the body and carbon dioxide out of the body.

Interactive Anatomy Guide

Finally, the muscles of respiration, including the diaphragm and intercostal muscles, work together to act as a pump, pushing air into and out of the lungs during breathing. Nose and Nasal CavityThe nose and nasal cavity form the main external opening for the respiratory system and are the first section of the body’s airway—the respiratory tract through which air moves. The nose is a structure of the face made of cartilage, bone, muscle, and skin that supports and protects the anterior portion of the nasal cavity. The nasal cavity is a hollow space within the nose and skull that is lined with hairs and mucus membrane. Your Lungs & Respiratory System.

Listen Time for Talk Your lungs are important for breathing . . . and also for talking! Respiratory System: Facts, Function and Diseases. The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide.

Respiratory System: Facts, Function and Diseases

The primary organs of the respiratory system are lungs, which carry out this exchange of gases as we breathe. Red blood cells collect the oxygen from the lungs and carry it to the parts of the body where it is needed, according to the American Lung Association. During the process, the red blood cells collect the carbon dioxide and transport it back to the lungs, where it leaves the body when we exhale. The human body needs oxygen to sustain itself. A decrease in oxygen is known as hypoxia and a complete lack of oxygen is known as anoxia and, according to MedLine Plus.