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Biology

  1. 1. Introduction to Biosciences
  2. Legacy Course

  3. Introduction to Biology
  4. History of Biology
  5. The Chemistry of Life
  6. Cells
  7. Energy and Metabolism
  8. Genetics
  9. Evolution
  10. Taxonomy and Classification
  11. The Plant Kingdom
  12. The Animal Kingdom
  13. Ecology
  14. The Human Body
  15. Future of Biology
  16. Careers in Biology

The Respiratory System

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The respiratory system is the body system that is responsible for breathing and exchanging gases with the environment. It includes the nose, pharynx, larynx, trachea, bronchi, and lungs.

The nose is the organ that is responsible for filtering, warming, and humidifying the air that is breathed in. It is also responsible for detecting odors.

The pharynx is a tube-like structure that connects the nose and the mouth to the larynx.

The larynx is a structure that is located in the neck and is responsible for producing sound (voice).

The trachea is a tube-like structure that extends from the larynx to the bronchi.

The bronchi are tubes that branch off from the trachea and enter the lungs.

The lungs are spongy, elastic organs that are located in the chest and are responsible for exchanging gases with the environment.

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