B4.1 - The Blood

Question 1

What are the 4 main components of blood?

Answer 1

Plasma - Liquid
Red blood cells
White blood cells
Platelets

Question 2

What is the red pigment called

Answer 2

Haemoglobin

Question 3

Do RBCs have a nucleus?

Answer 3

No

Question 4

Do WBCs have a nucleus?

Answer 4

Yes

Question 5

What do WBCs do?

Answer 5

Defends the body from microorganisms

Question 6

What do platelets do?

Answer 6

Clot blood at the site of a wound