Question

which vitamin helps the blood to clot?
a. vitamin e
b. vitamin k
c. vitamin a
d. vitamin c

Explanation:

To determine which vitamin helps blood clot, we recall biological knowledge: Vitamin K is essential for the synthesis of proteins involved in blood coagulation. Vitamin E has antioxidant roles, Vitamin A is for vision/immune health, and Vitamin C is for collagen synthesis/immunity. So the correct option is B.

Answer:

B. vitamin K