1. Review for Cardiovascular Quiz

2. What is the Name of the following Structures?

3. Diagram Answers 1.Vena Cava 2.Right Atrium 3.Tricuspid Valve 4.Right Ventricle 5.Pulmonary Semilunar Valve 6.Pulmonary Artery 7.Left Atrium 8.Bicuspid Valve 9.Left Ventricle 10.Aortic Semilunar Valve 11.Aorta

4. What body cavity is your heart in? Thoracic

5. What type of tissue is the heart mainly composed of? Cardiac Muscle

6. What is the function of a valve? To prevent the backflow of blood

7. Name one symptom of a faulty valve: Heart Murmur

8. What is the name of the blood vessels that supply blood to the heart muscle? Coronary Arteries

9. What is the pacemaker of the heart? Sinoatrial Node

10. Contrast the structure of arteries and veins: Arteries are thicker (more smooth muscle) Veins have valves

11. Contrast the pressure in arteries and veins: Arteries are under high pressure and veins are under low pressure

12. What helps get the blood in veins back to the heart? Valves in the veins Skeletal muscles ‘squeezing’ the veins Changes in pressure in the thoracic cavity because of breathing

13. What is normal blood pressure? 120 / 80 mmHg –What does the 120 mean? Systolic: when ventricles are contracting –What does the 80 mean? Diastolic: when heart is relaxed

14. What is normal pulse rate? 60-100 bpm is the normal range (74)

15. What is the strongest chamber of the heart? Left Ventricle Why? It has to pump blood to the entire body