The Circulatory System

The circulatory system is made up of:

• Blood

• Blood Vessels

• Heart

• Carbon Dioxide

Blood is a mixture of:

• oxygen

• red blood cells

• white blood cells

• plasma

Which component makes up the most of your blood?

• plasma

• red blood cells

• white blood cells

• platelets

Which part of your blood helps you to fight infections?

• red blood cells

• white blood cells

• plasma

• platelets

Which part of your blood helps you to deliver oxygen to the cells?

• red blood cells

• white blood cells

• platelets

• plasma

Which part of your blood is used to help in the clotting process?

• red blood cells

• white blood cells

• platelets

• plasma

This type of blood vessel carries blood away from the heart:

• arteries

• veins

• capillaries

This type of blood vessel carries blood to the heart

• arteries

• veins

• capillaries

This type of blood vessel exchanges nutrients across its surface

• arteries

• veins

• capillaries

This vessel has thick muscular walls to withstand the high force of the blood travelling through it

• arteries

• veins

• capillaries