The Body's Transport System

What is the main function of the cardiovascular system?

• To digest food

• To transport substances throughout the body

• To help you breathe

• To send signals to the brain

What does the cardiovascular system consist of?

• Lungs, brain, and veins

• Kidneys, muscles, and blood

• Heart, blood vessels, and blood

• Liver, intestines, and arteries

What organ pumps blood through your body?

• Brain

• Heart

• Lungs

• Liver

How many times does the heart beat in a day?

• 10,000

• 100,000

• 1,000,000

• 1,000

What is the job of blood in the body?

• Breaks down food

• Produces oxygen

• Transports oxygen and nutrients

• Protects muscles

What is the wall of tissue that separates the two sides of the heart called?

• Ventricle

• Septum

• Atrium

• Valve

What is the function of the right atrium?

• Pumps blood to lungs

• Receives oxygen-poor blood from the body

• Pumps blood to the body

• Receives oxygen-rich blood from the lungs

What is the function of the right ventricle?

• Pumps blood to the body

• Pumps blood to the lungs

• Receives oxygen-rich blood from the lungs

• Receives oxygen-poor blood from the body

Where does the left atrium receive blood from?

• Lower body

• Brain

• Lungs

• Stomach

What does the left ventricle do?

• Collects waste

• Pumps oxygen-rich blood to the body

• Pumps oxygen-poor blood to the lungs

• Fills the atrium