11. Human Body and Organ System

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1. Why Oxygen useful for cell? 1) For Energy production 2) for respiration 3) none of these 4) For circulation

2. Which is correct order of respiratary system organs . 1) Pharynx ,Trachea,Nose, Larynx 2) Nose ,Larynx,, Pharynx, Trachea 3) Nose, Pharynx,Larynx, Trachea 4) Nose, Pharynx ,Larynx, Trachea

3. Who described the mechanism of circulation in the body? 1) Arthur MacNalty 2) Thomas Lewis 3) William Harvey 4) Thomas Edison

4. How much Blood Heart pumps during each beat. 1) 120 ml 2) 80 ml 3) 75 ml 4) 70 ml

5. which of the following organ system realated to blood? 1) Skeletal System 2) Circulatory system 3) Nervous System 4) Respiratory System

6. Lungs are made up of many small compartments, called as ------------. 1) Larynx 2) thorax 3) alveoli 4) pharynx

7. which of the following prevents the entry of food particles into wind pipe? 1) Diaphragm 2) pharynx 3) Trachea 4) Larynx

8. What is the position of Diaphragm. 1) between the Pharynx and Larynx . 2) between the Pharynx and Trachea 3) none of these . 4) between the thoracic cavity and abdominal cavity

9. Which Vessels carry the blood towards the heart from various parts of body? 1) veins 2) Capillaries 3) Artery 4) all

10. Which of the following is function of RBC? 1) Transport Oxygen 2) act as soldiers in our body 3) protect us from the microbial diseases 4) ttack the pathogens entering our body