The fluid part of blood is known as:
A. plasma
B. platelets
C. blood cells
D. None of these
Each day human body breathe in ___ litres 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
Deficiency of Vitamin-D results in:
A. night blindness
B. rickets
C. scurvy
D. hair fall
Deficiency of Vitamin-A results in:
A. night blindness
B. rickets
C. scurvy
D. hair fall