Anatomy & Physiology

The human body is made up of thousands of parts, such as glands, muscles, bones, pieces of cartilage, and organs. These parts work together to keep the body breathing and make sure blood is pumping at all times. Read articles in this topic to learn about the parts of the human body and how they function.

Layman's Guide to the Respiratory System

Normally you don’t give it a second thought, but every breath you take is vital and the oxygen it contains travels through a complex system to your body’s cells. This guide to the respiratory system explores its structures and functions, what happens when things go wrong, and how they can be fixed.
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