Which of the following common mineral salt present in sweat is?
A. Calcium Oxalate
B. Potassium Sulphate
C. Sodium Chloride
D. Iron Sulphate
What is the largest organ in the human body?
A. blood
B. Bone
C. Skin
D. Muscle
submitted by: CSS Aspirant
What is the amount of blood contains in the human body?
A. 8-10 litres
B. 1-2 litres
C. 5-6 litres
D. 2-3 litres (more…)