Question

Clotting of blood is to ______.

Options

• seal up wounds and prevent blood loss

• slow down the movement of blood inside the blood vessels

• trap oxygen inside the blood so that it can be carried around more easily

• trap harmful germs inside the blood and prevent them from harming the body

Answer 1

Clotting of blood is to seal up wounds and prevent blood loss.

Explanation:

Blood clotting serves to seal wounds and prevent blood loss. Blood platelets produce clotting molecules at the site of injury, forming a clot and stopping bleeding.