Question

fill in the blank question
with an injury to a blood vessel wall, in the plasma are activated, sticking to the exposed collagen in damaged blood vessel walls.
need help? review these concept resources.

Explanation:

When a blood - vessel wall is injured, platelets in the plasma are activated and adhere to the exposed collagen in the damaged blood - vessel walls. This is an important part of the blood - clotting process.

Answer:

platelets