Gas exchange

QUESTIONS

1. What is the purpose of the circulatory system?

       The purpose of the circulatory system is to travel thing around the

       Body.

   2. Identify the parts of the respiratory system.

      Lungs,nose,mouth and air passageways that connect to your lungs.

   3. What is the function of the alveoli?

      The function of the alveoli is to diffuse oxygen into blood, and receive carbon dioxide.

   4. How does the body get rid of carbon dioxide?

      Your body gets rid of carbon dioxide when you exhale air.

   5. How does your body make room for a deep breath?

      When you take a deep breath both oxygen and carbon dioxide exhale from your lung for new air.