Direction: Multiple Choice: Read the following sentence and write the letter of the best answer.

1. The circulatory system is. A. The body's breathing system The body's breathing system B. The body's system of nerves The body's system of nerves C. The body's food-processing system The body's food-processing system D. The body's blood-transporting system The body's blood-transporting system

2. Type of blood vessels carries blood away from the heart. A. Veins Veins B. Arteries Arteries C. Capillaries Capillaries D. Arteries, veins and capillaries Arteries, veins and capillaries

3. It is the function of the blood vessels and capillaries? A. They pump blood to the heart They pump blood to the heart B. They filter impurities from the blood They filter impurities from the blood C. They carry blood to all parts of the body They carry blood to all parts of the body D. They carry messages from the brain to the muscles They carry messages from the brain to the muscles

4. What is the organ that pumps blood all throughout the human body. A. The lungs The lungs B. The heart The heart C. The kidneys The kidneys D. The blood vessels and capillaries The blood vessels and capillaries

5. Heart, blood, blood vessels are major type of. A. Circulatory systemCirculatory system B. Digestive system Digestive system C. Skeletal systemSkeletal system D. Blood vessels Blood vessels

6. The following are types of blood vessels except one. A. Arteries Arteries B. Capillaries Capillaries C. Heart Heart D. Veins Veins

7. It is the largest blood vessel. A. Aorta Aorta B. Artery Artery C. Capillary Capillary D. Veins Veins

8. It is the smallest blood vessel. A. Arteries Arteries B. Capillaries Capillaries C. Veins Veins D. Capillaries and Veins Capillaries and Veins

9. Is an amazing substance that is constantly flowing through our bodies. A. Heart Heart B. Blood Blood C. Blood vessels Blood vessels D. Lungs Lungs

10. It will happens when blood pools in the veins. A. You fall over You fall over B. You become paralyzed You become paralyzed C. You get varicose veins You get varicose veins D. You get headache You get headache

11. Which of the following is NOT function of white blood cells. A. Guard against infection Guard against infection B. Fight parasites Fight parasites C. Attack bacteria Attack bacteria D. Carry oxygen Carry oxygen

12. With circulation, the heart provides your body with A. Oxygen Oxygen B. Nutrients Nutrients C. A way to get rid of waste A way to get rid of waste D. All of the above All of the above

13. The left and right sides of your heart work ____. A. Together Together B. Separately Separately C. Against each other Against each other D. None of the above None of the above

14. It will happen to people who have an open wound and whose blood did not clot naturally. A. They would bleed to death They would bleed to death B. Nothing. Clotting is not important. Nothing. Clotting is not important. C. They would have to take special clotting drugs. They would have to take special clotting drugs. D. They would have to take regular doses of plasma They would have to take regular doses of plasma

15. What happens when a clot occurred in an undamaged blood vessel? A. You would bleed to death. You would bleed to death. B. A scab will form on the skin surface. A scab will form on the skin surface. C. Platelets stick to the edges of the cut and to one another, forming a plug. Platelets stick to the edges of the cut and to one another, forming a plug. D. The flow of blood to tissues beyond the clot may be cut off. The flow of blood to tissues beyond the clot may be cut off.

16. Abnormally high blood pressure A. Stroke Stroke B. Hypertension Hypertension C. Pulmonary heart disease Pulmonary heart disease D. Angina Pectoris Angina Pectoris

17. Cellular death of a segment of the heart muscle. A. Dizziness Dizziness B. Infection Infection C. Trauma Trauma D. Myocardial infarction Myocardial infarction

18. May result in damage in some parts of the brain. A. Stroke Stroke B. Pulmonary heart disease Pulmonary heart disease C. Diabetes Diabetes D. Trauma Trauma

19. Thickening and hardening of the arteries due to aging/cholesterol. A. Stress Stress B. Obesity Obesity C. Atherosclerosis Atherosclerosis D. stroke stroke

20. Obstruction in the blood flow in the lungs that causes lung diseases and damage to the heart. A. Pulmonary heart disease Pulmonary heart disease B. Angina Pectoris Angina Pectoris C. Stroke Stroke D. Trauma Trauma

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