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L3: 3.2

L3: 3.2. “Determining Pulse Rate of Blackworm”. QUESTION:. Describe the flow of blood through a California blackworm. HYPOTHESIS:. I believe blood flows….. because……. PROCEDURE:. Read the information on page 32, and briefly describe the steps you will take. DATA:. DATA ANALYSIS:.

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L3: 3.2

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  1. L3: 3.2 “Determining Pulse Rate of Blackworm”

  2. QUESTION: • Describe the flow of blood through a California blackworm.

  3. HYPOTHESIS: • I believe blood flows….. because…….

  4. PROCEDURE: • Read the information on page 32, and briefly describe the steps you will take.

  5. DATA:

  6. DATA ANALYSIS: • 1. How did your group’s average pulse rate compare with that of other groups? • 2. Is the blackworm’s blood flowing freely inside its body, or is it contained in a vessel? • 3. What do you think is the purpose of the blood in the blackworm’s body?

  7. VOCABULARY: • Lumbriculus variegatus • Pulse rate • Blood vessels • Closed circulatory system

  8. CONCLUSION: • Be sure to look back @ your original question. • Use complete sentences. • Use & highlight all vocabulary words.

  9. New Questions: • What type of circulatory system do humans have? • What would be another type of circulatory system? • What is the difference between the two types? • How can you measure your pulse rate?

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