Circulatory system G5

What are the three main components to the circulatory system?

• Blood, blood vessels, lungs

• Blood, veins, lungs

• Blood, blood vessels, heart

• Blood, arteries, lungs

How many compartments are there in the heart?

• 3

• 4

• 5

• 8

Which is the thinnest blood vessel.?

• arteries

• Veins

• Capillaries

• Heart

How big is the heart?

• Size of your eyeball

• Size of your fist

• Size of a tennis ball

• Size of your head

_______structures carry Deoxygenated blood to the heart

• Arteries

• Veins

• Capillaries

• Vena cava

Blood vessels that take blood away from the heart are called……………..

• Capillaries

• Veins

• Arteries

• White cells

Which one is not a blood vessel?

• Arteries

• Capillaries

• Veins

• Plasma

In which blood vessels the flow of blood is at high pressure?

• Arteries

• Veins

• Capillaries

• Heart

In which blood vessels the flow of blood is at low pressure?

• Arteries

• Veins

• Capillary

• Windpipe

The heart is made of which of the following types of muscles?

• Cardiac muscle

• Striated muscle

• Smooth muscle

• None of the above