what is respiratory system
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The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history.
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- The respiratory system is made up of a variety of organs and tissues that help you breathe. It includes the lungs, the airways, and the blood vessels.
- The muscles that propel your lungs are part of the respiratory system.
- These parts work together to deliver oxygen throughout the body and to eliminate waste gases like carbon dioxide.
The respiratory system performs a variety of functions.
- It assists in inhalation (breathing in) and expiration (breathing out), as well as.
- It allows you to communicate and smell while you're wearing it.
- Warms and hydrates the air to the right humidity level for your body.
- Oxygen is delivered to your body's cells.
- When you exhale, you rid your body of waste gases like carbon dioxide.
- Keeps harmful chemicals and pollutants from entering your lungs.
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