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Respiratory System Definition

The respiratory system gets oxygen into your blood stream. Its main component is the lungs.

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Human Body Systems

LESSON MATERIALSmove

Fun Facts

  • Cells use oxygen taken in by the respiratory system to create energy for the body.
  • When you exhale, the respiratory system removes carbon dioxide waste which your body does not need anymore.
  • Since the respiratory system gets oxygen into the bloodstream, it is directly linked to circulatory system.

Why Do We Need To Know About Respiratory System

Learning about the respiratory system helps us know how our bodies use oxygen and why it’s important to breathe well for daily life and sports. This is really useful for athletes, coaches, and people who want to work in sports science or become gym teachers.

This knowledge is also important in healthcare, studying the environment, and making medical devices. Knowing about the respiratory system can help us treat lung diseases, keep the air clean, and create new medical technologies like artificial organs.

Frequently Asked Questions

What would happen if one body system did not interact with the other systems?
It would be hard for the body to perform its important functions. Since all systems are interconnected, if one does not work this affects how the others will function too.
If a personā€™s heart rate increases how will this benefit the muscular system?
When the heart rate increases more blood is pumped through the circulatory system. This blood is sent to the muscular system to help your muscles work and keep the body moving.
How is the left side of the heart different from the right side of the heart?
The left side of the heart receives blood from the lungs, which contains oxygen. The right side of the heart has blood with less oxygen. This is because the oxygen has been used up to help power your other body systems.
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