Human beings use _______ liters of pure oxygen per day.

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1. Alzheimer’s disease in human beings is characterized by the degeneration of _______

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2. Each day human body breathe in __________ liters of air.

   A. 5,000 to 10,000 B. 10,000 to 15,000 C. 15,000 to 20,000 D. 20,000 to 25,000...

3. Which of the following vitamins promote healthy functioning of eyes in human beings?

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4. Vertebral Column in human beings consists of how many vertebrae?

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5. The sounds of which frequency are human beings most sensitive?

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6. The study of rearing fine and intelligent human beings through genetics is called__________?

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7. The average adult has a blood volume of about __________ liters.

   A. 4 B. 5 C. 6 D. 7...

8. Pure limestone is called _______?

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9. The human brain uses__________ percent of the total oxygen and blood in the body?

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10. Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?

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