Human Body Systems Quiz

What is the main function of arteries in the circulatory system?

• To pump blood

• To carry blood away from the heart

• To connect muscles to bones

• To carry air to the lungs

Which part of the circulatory system helps the body fight germs?

• Lungs

• Stomach

• Veins

• Blood

What is a vein?

• A blood vessel that carries blood back to the heart.

• A type of muscle in the heart.

• A part of the lung.

• A bone in the leg.

What does the trachea do in the respiratory system?

• Breaks down food

• Carries blood

• Connects bones

• Carries air to and from the lungs

Which gas is expelled from our body when we exhale?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Our nose and mouth are part of the digestive and respiratory system.

• True

• False

What are lungs?

• Organs that enable gas exchange, taking in oxygen and expelling carbon dioxide.

• Contain the Bronchi

• Part of the Respiratory system

• Bones in the chest.

Where does the digestion process begin?

• Stomach

• Intestines

• Mouth

• Liver

Which organ is not part of the digestive system?

• Pancreas

• Liver

• Heart

• Esophagus

The esophagus is a muscle that helps in moving food from the mouth to the stomach.

• True

• False