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The nutrient which is low in many diets and it helps keep the immune system heal

ID: 267315 • Letter: T

Question

The nutrient which is low in many diets and it helps keep the immune system healthy is A. Vitamin A B. Vitamin B C. Calcium D. Sugar 16. to read food labels so a person can determine C. cholesterols and calorie content A. nutritional needs D. the ingredients 17. It is important special dietary needs E. all are correct he main function of the respiratory system is to A. supply the lungs with blood B. send carbon dioxide to the body cells C. provide oxygen for the blood and remove carbon dioxide from the blood D. keep the breathing rate constant E. all are correct 18. T 19. The dome-shaped muscle below the chest cavity is called the A. plaura B. periosteum 20. The disease which is due to the break down of alveoli in the lungs is called A. lung cancer 21. Second hand smoke can lead to A. difficulty in breathing B. emphysema C. diaphragm D. paracardium B. black lung C. emphysema D. all are correct C. lung cancer D. asthma E. all are correct The gas exchange in the lungs occurs in the A. trachea B. bronchi C. between the alveoli and capillaries D. between the mouth and the lungs 23. The swelling and closing off of the bronchial tubes is called A. bronchitis 24. The exchange of oxygen & carbon dioxide and nutrients & waste between the blood and tissue 25. Heart problems can be caused by A. smoking B. consumption of high fat foods B. pneumonia C. cancer D. common cold fluid occurs in the A. capillaries B. venuoles C. veins D. arterioles C. high salt diet D. all choices are correct 26. The major components of blood are red blood cells, platelets, plasma and A. lymph system B. white blood cells C. septum D. stem cells 27. The circulatory system is responsible for all of the following except A. the distribution of oxygen to the cells of the body B. carrying nutrients to cells C. providing a natural defense against disease D. removing urea from the body The iron-containing molecule in red blood cells is called A. plasma C. hemoglobin D. gamma globulin 28. B. ferric oxide 29. Systole blood pressure occurs with the contraction of A. the upper chambers of the he B. the atrium and ventricle C. the ventricles D. the aorta 30. Plaque in the arteries is caused by a build up of A. fats B. sugars C. tars D. pro

Explanation / Answer

1. Vitamin A

2. All of the above

3. C. Provide oxygen for the blood and remove carbon dioxide from the blood

4. D. Diaphragm

5. C. Emphysema

6. C. Lung cancer

7. A. Bronchitis

8. A. Capillaries

9. All of the above

10. B. White blood cells

11. D. Removing urea from the body

12. C. Hemoglobin

13. C. Ventricles

14. A. Fats