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pagsagot po please I. Read and answer the following questions:
1.When you inhaled through your nose, what gas comes into your body? A. carbon dioxide B. oxygen C. hydrogen D. helium
2. What happens when you inhale? A. The chest cavity increases and the diaphragm moves down. B. The chest cavity decreases and the diaphragm moves up. C. The size of chest cavity remains the same and does not affect the elastic lungs. D. The size of chest cavity decreases and does not affect the elastic lungs.
3. What does respiration means? A. The process of transporting blood. C. The process of eliminating human waste B. The process of inhaling and exhaling of air. D. The process of digestion of food.
4. How would you take good care of your respiratory system? 1. Avoid smoking. 2. Breathe clean air 3. Exercise regularly 4. Sleep 4 hours a day.
A. 1,2,3 B. 2,3,4 C.1,2,4 D. 3,1,4
5. . Justine has clean skin, trim fingernails, and tidy hair to ensure safety from any microbes invisible in the environment. Which body system is protected by Justine’s good habits? A. Circulatory System C. Integumentary System B. Digestive System D. Respiratory System
6. The following describe the functions of the integumentary system. Which one does not? A. It regulates the temperature of the body . C. It protects the organs inside the body. B. It disposes the waste materials of the body D. It is the skeletal framework of the body.
7. In which part of the digestive system does digestion start when chewing food? A. Mouth B. Esophagus C. Stomach D. Small Intestine
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