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The diaphragm: Anatomy and function

Medically reviewed by Sanja Jelic, MD Key Takeaways The diaphragm is the main muscle used for breathing. The diaphragm helps ...
The heart is a complex organ that pumps blood throughout the body. It sits in the chest, slightly left of center, behind the breastbone, and between the lungs. A heart that is not healthy does not ...
The vagus nerve is one of 12 cranial nerves in the body. It’s responsible for various bodily functions, including digestion, heart rate, and breathing. There are 12 cranial nerves in the body. They ...