Blood And Organs

Question 0

How are platelets held together

Answer 0

FIBRIN

Question 1

What’s the function of platelets

Answer 1

When you damage a blood vessel platelets clump together to clot the wound
They imaginatively named it “blood clotting”
Blood clots stop you loosing too much blood and prevent bacteria/microorganisms entering

Question 2

What’s the role of plasma

Answer 2

To carry everything around the body

E.g. Urea, co2, digested food

Question 3

What are the four main components of blood

Answer 3

1. plasma
2. platelets
3. red blood cells
4. white bled cells

Question 4

What do red blood cells do

Answer 4

They transport oxygen from the lungs to all the cells in the body

Question 5

How are rbc adapted to their job

Answer 5

1. have a small biconcave shape to give a large surface area for absorbing and releasing oxygen
2. small so can easily fit through capillaries
3. don’t have a nucleus so more free space to carry oxygen