Transport System - Blood vessels

All blood vessels are veins.

• True

• False

Which of the following shows the correct sequence of blood flow from the heart?

• Heart --> Vein --> Capillary --> Artery

• Heart --> Capillary --> Vein --> Artery

• Heart --> Artery--> Capillary --> Vein

• Heart --> Artery--> Vein --> Capillary

In the diagram, what does 1 represent?

• Artery

• Vein

• Capillary

• Heart

The diagram shows a cross section of two blood vessels A and B. Identify A and B.

• Both are arteries.

• Both are veins.

• A is an artery, B is a vein.

• A is a vein and B is an artery.

Veins carry blood towards the heart and have thin muscular walls which are only one-cell thick.

• True

• False

Oxygen diffuses from the blood in the capillaries into the body cells while carbon dioxide diffuses from the body cells into the blood capillaries.

• True

• False