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The Heart of the Matter
Veterinary & Aquatic Services Department, Drs. Foster & Smith
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The cardiovascular system includes the heart and blood vessels. The heart is responsible for pumping and circulating blood throughout the body to nourish and to remove waste products from body tissues. How much do you really know and understand about hearts, and do all animals have the same type of heart? Test your knowledge and try to sort out which of the statements below are true and which are false.

  1. Every animal has the same type of heart.

  2. The fish heart only has two chambers.

  3. The electrical nodes cause the heart to contract (beat).

  4. Ventricles are larger than atria.

  5. Veins have extremely elastic, stretchy walls.

  6. Mammals and birds have the same type of heart.

  7. Capillaries are NOT very permeable.

  8. Dogs have a four-chambered heart.

  9. Arteries carry blood back to the heart.

  10. A three-chambered heart is more efficient than a four-chambered heart.

 

Answers

 

Score
0-2
3-5
6-8
9-10
Heartless...
Heart Stricken...
Heart Warming...
Heart Stopping!

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