Topic 5 - Functions of Blood (Paper 2) Flashcards
1
Q
what happens when you damage a blood vessel?
A
platelets clump together to plug the damaged area. this is knows as blood clotting
2
Q
why are blood clots important?
A
they stop you losing too much blood and prevent microorganisms from entering the wound
3
Q
what happens in a clot?
A
platelets are held together by fibrin
