Sources: Microsoft Bookshelf ’92

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1. From: Microsoft Bookshelf ’92

Click on: the picture of the encyclopedia.

Click on: Search; type: heart

Click on: heart; then click on: Go To

Read the text.

1. About how large is the heart?

2. Label the diagram of the heart. Use the words at the side.

a. right atrium

b. left atrium

c. right ventricle

d. left ventricle

e. aorta

f. pulmonary artery

3. Fill in the diagram to show the path of the blood flow.

Listen to the tape. Circle the letters that answer each question.

1. What happens during diastole? a. The heart muscle relaxes.

a. b. c. d. b. The ventricles contract.

c. Blood is drawn into the auricles.

2. What happens during systole? d. Blood is pushed out into the arteries.

a. b. c. d.

2. From: The Total Heart

Click on: Reducing Risks (on the side), and then: Unmodifiable risk factors
Notice the dictionary icon at the bottom. Use it when necessary.

1. What are ‘coronary arteries’? (Click on the words in the text.)

2. Explain what each of the following risks is: (Click on the triangle next to Section)

a. family history -

3. sex -

Click again on: Reducing Risks and then: Modifiable Risk Factors.

Click down to the section: How important are risk factors?

3. What are the six most important risk factors?

4. Click on: Anatomy (on the side) and then: Coronary artery bypass surgery.

In bypass surgery, where do the ‘new’ arteries come from?

a.

b.

5. Click on: Go Back button and then on: The Circulation

How is the figure 8 connected to the circulation of the blood?

6. Click on: Go Back button and then on: Pacemakers

What is a pacemaker?