What does Vitamin K do?

Correct option is A

The correct answer is (a) Blood clots

Vitamin K plays a crucial role in blood clotting (coagulation) by helping the liver produce clotting factors such as prothrombin. It prevents excessive bleeding and is essential for wound healing. A deficiency of Vitamin K can lead to prolonged bleeding and hemorrhagic disorders.

• Vitamin K is essential for blood clotting and prevents excessive bleeding.
  
• It also supports bone metabolism and heart health.
• The best sources of Vitamin K include leafy greens (spinach, kale), broccoli, and soybean oil.
• Newborns are given Vitamin K injections to prevent bleeding disorders.
• A deficiency of Vitamin K can lead to excessive bleeding and easy bruising.

• Respiration – Controlled by the lungs and oxygen transport system, not Vitamin K.
• Cures impotence – Vitamin K does not play a role in treating impotence; hormones and circulation affect it.
• Pellagra – A disease caused by Niacin (Vitamin B3) deficiency, not Vitamin K.