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Science Cartoon Video: Heart Chambers and Heart Valves

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This cartoon-based presentation explains the structures and functions of heart chambers and valves. That is, they help control the blood flow.
YouTube Link: https://youtu.be/FPxxI9Td3HY
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Science Cartoon Video: Heart Chambers and Heart Valves

  1. 1. OWLCOMICS Heart Chambers & Valves List of Vocabularies o Atrium (plural: atria) o Ventricle o Valve Helping Blood Flow in the “Proper Direction” 4 Video Link: https://youtu.be/FPxxI9Td3HY
  2. 2. OWLCOMICS To help blood flow in the proper direction, the heart has 4 chambers to regulate blood flow. Heart’s Four Chambers Your heart’s job is to move blood throughout your body. Right Atrium Right Ventricle Left Atrium Left Ventricle The 4 Chambers:
  3. 3. OWLCOMICS Atrium: The word “atrium” describes the chamber that RECEIVES blood INTO the heart. Atrium vs. Ventricle Right Atrium Left Atrium Ventricle: The word “ventricle” describes the chamber that PUMPS blood OUT OF the heart. Right Ventricle Left Ventricle
  4. 4. OWLCOMICS Heart Valves The heart valves’ job is to further make sure that your blood NEVER flows BACKWARD. The heart valves consist of muscles, and they act like “gatekeepers” to regulate blood flow.
  5. 5. OWLCOMICS Heart Valves: How They Work However, if your blood tries to flow “backward”, the valves will close, thus preventing it. Do NOT go back! The heart valves allow the blood to move in the correct direction. Here… go this way.
  6. 6. OWLCOMICS Practice Questions 1) Which word is used to describe a heart chamber that RECEIVES blood flowing INTO the heart? 2) Which word is used to describe a heart chamber that PUMPS blood OUT OF the heart? 3) TRUE / FALSE: The heart valves make it possible for blood to flow forward as well as in the opposite direction.
  7. 7. OWLCOMICS Answers 1) Which word is used to describe a heart chamber that RECEIVES blood flowing INTO the heart? 2) Which word is used to describe a heart chamber that PUMPS blood OUT OF the heart? 3) TRUE / FALSE: The heart valves make it possible for blood to flow forward as well as in the opposite direction. » Answer: Atrium » Answer: Ventricle » Answer: FALSE. The heart valves prevent the blood from flowing in the opposite direction. Practice Questions

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