Cardiovascular system and blood vessels

In which system of the human body does the heart belong?

• Nervous
• Skeletal
• Cardiovascular
• Digestive

This type of vessel carries blood TO the heart:

• vein
• nerve
• muscle
• artery

When oxygen-rich blood is carried AWAY from the heart, it travels through an...

• artery
• neuron
• vein
• straw

The smallest type of blood vessel is the:

• nerve
• vein
• capillary
• artery

How many chambers does the heart have ? 

• 4
• 6
• 3
• 1

The bottom chambers of the heart are called

• ventricles

• atria

• vena cava

• valves

The top chambers of the heart are called

• ventricles

• atria

• vena cava

• valves

The top chambers of the heart are called

• ventricles

• atria

• vena cava

• valves

What part of the heart divides the heart into two?

• Biscuspid valve

• Septum

• Pulmonary artery

• bicep

What is the role of veins in the cardiovascular system?

• Carry blood away from the heart

• Carry blood back to the heart

• Carry blood to the lungs

• Allows the exchanges of gases, nutrients and wastes between blood and the tissues