Blood Circulation in Human Body

Which blood vessel contains valves?

• Artery

• Capillary

• Vein

Where does gas exchange take place between the respiratory system and the blood?

• Trachea

• Bronchus

• Alveoli

• Mouth

Figure below shows four components of blood. Which component helps carry oxygen throughout the body?

• 
• 
• 
• 

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

The mammalian heart has ___ chambers.

• 1

• 2

• 3

• 4

This chamber of the heart RECEIVES blood returning from the lung

• Right Atrium

• Right Ventricle

• Left Atrium

• Left Ventricle

True or false:

Arteries always carry oxygenated blood.

• True

• False

What type of blood vessel is shown in figure number 2?

• vein

• artery

• capilary

• aorta

Exchanges between blood and tissue cells occur in capillary beds.

• True
• False