P1 13. Blood and its role in physical activity

Question 1

what are the 4 components of blood

Answer 1

red blood cells
white blood cells
platelets
plasma

Question 2

function of red blood cells

Answer 2

contains haemoglobin - binds to oxygen
responsible for oxygen transport
key to all physical activity
biconcave

Question 3

functions of white blood cells

Answer 3

part of the immune system
travel in blood and fight disease
keep athletes healthy

Question 4

functions of platelets

Answer 4

clot blood
scar around wounds to seal
crucial to stop any bleeding out

Question 5

functions of plasma

Answer 5

watery fluid of blood that makes it a liquid
blood wouldn’t flow without it
can’t travel around body without