People Living In High Altitudes (like Mountains) Usually Have A:

(a) Smaller number of Red Blood Cells
(b) Larger number of Red Blood Cells
(c) smaller number of White Blood Cells
(d) None of these

A. Star B. Planet C. Asteroid D. Meteor...

A. Carbon Dioxide B. Sulfur Dioxide C. Nitrous Oxide D. Sodium Oxide...

A. to control blood pressure B. to control body temperature C. to remove waste from blood D. to help in digestion of bady...

A. Chemical B. Electrical C. Light D. Kinetic...

A. Vitamin B5 B. Vitamin B6 C. Vitamin B3 D. Vitamin B2...

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