Respiratory System

• Oxygen is necessary for life to exist
• Without oxygen, the cells in the body would not be able to release the energy in food for power, and they would die within minutes
• Respiratory system function

  1. Inhale air

  2. Get oxygen

  3. Exhale

  4. Release carbon dioxide
• When you inhale air

  Your respiratory system gets oxygen
• When you exhale

  Carbon dioxide is released
• The respiratory and circulatory systems work together to carry out their common purpose