20 questions
The heart is about the size and shape of your . . .
head
fist
hand
foot
What carries oxygen around the body?
Plasma
Red Blood Cells
Platelets
White Blood Cells
What causes the blood to be the distinct red colour?
Haemoglobin
Glucose
Hormones
Oxygen
What is the function (job) of the platelets?
To form clots (i.e. scabs) when you have cuts and grazes.
To transport oxygen to the muscles
To carry dissolved sugars.
To produce antibodies
What is the function (job) of the white blood cells?
To transport oxygen around the body.
To carry dissolved sugars.
To clot and cover wounds like cuts and grazes.
To release antibodies to help destroy infections.