Blood

What makes up around 55% of the blood?

• Plasma

• Red Blood Cells

• White Blood Cells

• Platelets

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.

What causes the blood to be the distinct red colour?

• Haemoglobin

• Glucose

• Hormones

• Oxygen

What is the function (job) of the plasma?

• To release antibodies to fight infections.

• To transport oxygen around the body.

• To carry dissolved nutrients and sugars.

• To transport oxygen around the body.

Which is the smallest of the 3 blood vessels?

• Veins

• Arteries

• Capillaries

What is blood made of?

• oxygen and plasma

• red blood cells and white blood cells

• plasma, red blood cells, white blood cells, and platelets.

• plasma and platelets

What is plasma?

• only white blood cells

• only red blood cells

• fluid part of blood

• hemoglobin

Which cell engulfs and digests bacteria/pathogens?

• lymphocytes

• phagocytes

• platelets

How much blood does an adult have?

• 5 liters

• 10 liters

• 8 liters

• 20 liters