Podcast
Questions and Answers
As cells do their work, they make ______.
As cells do their work, they make ______.
carbon dioxide
Carbon dioxide moves out of the cells into the capillaries and ______.
Carbon dioxide moves out of the cells into the capillaries and ______.
bloodstream
Blood rich in carbon dioxide travels to the ______, which pumps it to the lungs.
Blood rich in carbon dioxide travels to the ______, which pumps it to the lungs.
heart
Carbon dioxide goes from the capillaries around the ______ into the alveoli.
Carbon dioxide goes from the capillaries around the ______ into the alveoli.
Carbon dioxide goes up the bronchioles to the ______, and then to the trachea to be exhaled.
Carbon dioxide goes up the bronchioles to the ______, and then to the trachea to be exhaled.
Flashcards
Carbon Dioxide (CO2)
Carbon Dioxide (CO2)
A waste product produced by cells during their activity.
Alveoli
Alveoli
Tiny air sacs in the lungs where gas exchange occurs.
Capillaries
Capillaries
Small blood vessels that facilitate the exchange of gases and nutrients.
Trachea
Trachea
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Study Notes
- Carbon dioxide is produced as cells perform their functions.
- Carbon dioxide exits cells and enters capillaries, then the bloodstream.
- Carbon dioxide-rich blood is transported to the heart.
- The heart pumps the carbon dioxide-rich blood to the lungs.
- Carbon dioxide moves from the capillaries surrounding the alveoli into the alveoli.
- Carbon dioxide travels up the bronchioles to the bronchi.
- Finally, carbon dioxide proceeds to the trachea.
- Carbon dioxide is then exhaled out of the body.
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