Its job is to _________________________________________________________________________________.

2. No bones about it. There are no bones in the human heart. But it is protected by several bones. Name them.
Thinking required.

3. Take the Narrated Heart Tour. Click on English - Human Heart

The heart has 4 chambers. Each of these chambers plays an important role
in the circulation of blood through the heart. List them in order of the flow of blood through the heart:

What is the cardiac cycle?

4. The blood flow through the heart is controlled by _________________________.

How many of them does the human heart have? _____________________.

5. Vessels transporting blood to the heart are called ____________________.

Blood returning to the heart is a dark bluish red. This is because:

Vessels carrying blood away from the heart are called ___________________________.

With one exception, blood leaving the heart is a bright red. This is because:

Name the blood vessels that carry oxygen-poor blood away from the heart.

6. The heart is a muscle that has arteries. How many coronary arteries does the human heart have?

7. If a coronary artery becomes blocked what happens?

A heart healthy diet limits:

8. Patients in the hospital may be having their heart monitored.
What is the monitor showing the nurses and doctors?

9. A doctor who specializes in heart health problems is called a

10. When you have a physical they often check your blood pressure.
What is blood pressure?

11. You are not feeling well. You are pale and sweaty. Someone takes you to the nurse.
She places her fingers on you wrist, just below your thumb, and looks at her watch. What is she doing?

What is she measuring?

12. Accomplish this MathMastery heart problem

13. Why is smoking terrible for your heart?

14. How many times a year does a human heart beat? (Pulse of 60-70 beats per min)

15. Why are people who do not take care of their teeth more likely to have heart problems?

16. Figure this.

17. What is the math behind cardiology?