3.1

Question 1

red blood cell

Answer 1

Blood cell without a nucleus, containing haemoglobin.

Question 2

Clotting

Answer 2

Solidification of blood when it gets outside the blood vessels.

Question 3

Blood plasma

Answer 3

Part of the blood consisting of water, plasma proteins and dissolved substances.

Question 4

fibrinogen

Answer 4

plasma protein that has a function in blood clotting.

Question 5

white blood cell

Answer 5

blood cell with a nucleus, without a fixed shape.

Question 6

haemoglobin

Answer 6

protein that can bind oxygen and later release it again.