The cardiovascular system GCSE

What sits between the atria and ventricles to prevent backflow of blood?

What type of blood vessel is the aorta?

• capillary

• artery

• vein

What type of blood vessel carries blood away from heart?

• capillary

• artery

• vein

What are the top 2 chambers of the heart called?

• atrium

• ventricles

The contraction phase of the hear when the chambers contract and eject blood is called.....

Select all the structural features of a vein

• Thin muscular wall

• has valves

• 1 cell thick

• Small lumen

Which blood vessel is only 1 cell thick?

During exercise, there is an increase in blood flow to the muscles. The small arteries delivering blood to the muscles............................

• vasoconstrict

• vasodilate

Veins carry blood under ________ pressure

Arteries carry blood under ________ pressure