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 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?
VOCABULARY: • Lumbriculus variegatus • Pulse rate • Blood vessels • Closed circulatory system
CONCLUSION: • Be sure to look back @ your original question. • Use complete sentences. • Use & highlight all vocabulary words.
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?