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Read the statements carefully. Choose the letter of the correct answer. We the letter of your choice on the space provided. 1. Which body system supplies nutrients and oxygen to the ceils? a) digestive system c) circulatory system b) skeletal system d) muscular system
2. How is the muscle of the heart different from other muscles? a) It is flat. b) it contacts rhythmically c) it is bulky d)it stores much energy
3. Which circulation brings blood to the lungs for oxygenation? a) systemic circulation b) general circulation c)pulmonary circulation d) exchange of O, and CO,
4. What gives color to the red blood cells? a) calcium b)phosphorus c) plasma d) iron
5. When you accidentally cut your finger, what will make the bleeding stop? a) clotting of blood b) formation of platelets c) appearance of plasma d) lack of oxygen
6. Why does blood go upward as it travels through the veins back to the heart? a) There are valves in the veins. b) The veins are thick, C) Blood flows slowly. d) Blood flows fast.
7. Where does the exchange of nutrients in the blood and wastes from the cells take place? a) arteries b) veins c) capillarles d) venules
8. Which of the following is a risk factor of heart disease? a) cigarette smoking b) regular exercise c) proper nutrition d) physical checkup
9. Which disease is caused by the abnormal production of white blood cells? a) anemia b) leukemia c) proper nutrition d) physical checkup
TIP: na sa pic po ung 10 to 17 need answer now pls ASAP (NONSENSE=REPORT)
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