Biology
They play key roles in the contraction of muscles,digestion of food and clotting of blood.

Fats
Vitamins
Proteins
Carbohydrates

ANSWER DOWNLOAD EXAMIANS APP

Biology
Which one among the following statements is correct ?

Except the pulmonary artery, all other arteries carry oxygenated blood
Except the pulmonary vein, all other veins carry oxygenated blood
All veins carry oxygenated blood
All arteries carry oxygenated blood

ANSWER DOWNLOAD EXAMIANS APP