Source #2 Science Textbook – Cardiovascular System in Humans

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Source #2 Science Textbook – Cardiovascular System in Humans and Frogs
New Strategy to help with paraphrasing:
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Read the question
Read the pages in the textbook
Close the textbook
Write notes that answer the question on lined paper…notefacts later
Let’s Review Humans
1. What are the 3 functions of the cardiovascular system? Pgs. 552-553
2. What is the function of the heart? Pg. 554
3. How many chambers does a human heart have? List them? Pg.554 and top of 555
4. How does blood flow in humans? (Hint: Include information about the 2 loops) pg. 556557
Loop 1 –
Loop 2 –
Now let’s learn about Frogs
1. Compare and contrast the circulatory system of tadpoles to adult frogs. Pg. 470
Tadpole
Adult Amphibian (Frog)
How many loops?
How many chambers?
2. Use figure 6 on pg. 463. How does blood move in the circulatory system of tadpoles?
Heart->________->_______->Heart
3. Why are we using figure 6 on fish to understand the circulatory system of tadpoles? pg.
463
4. How do tadpoles get oxygen? pg. 463 or 470
5. Use figure 14 on pg. 470. Starting with the right atrium, how does blood move in the
circulatory system of an adult amphibian?
right atrium  ___________  picks up ____ from blood vessels in lungs 
_________  deposits/delivers _____ to body  right atrium
6. How do adult amphibians get oxygen? pg.470
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