Cardiovascular

The heart is a ______ which contracts and expands like a pump to circulate blood throughout the body.

• bone

• spongy tissue

• muscle

• blood vessel

Arteries carry blood away from the heart to the rest of the body.

• True

• False

How many chambers does the heart have?

• 1

• 2

• 3

• 4

What is the main function of the heart?

• exchange gases

• circulate blood throughout the body

• produce red blood cells

• remove waste materials from the body

How does the heart work?

• It pumps blood around the rest of the body, back to the heart and then to the lungs.

• It pumps blood first to the rest of the body, back to the lungs and then to the heart.

• It pumps blood first to the lungs, back to the heart and then around the rest of the body.

Tags

NGSS.MS-LS1-3

What the the functions of the Circulatory System? (Multiple answers)

• Transports materials (gases, nutrients, waste products, molecules, hormones) to different

  parts of the body

• Removes waste products (cell waste and carbon dioxide)

• helps your body move

• Fights diseases

The heart and the blood vessels are the major parts of the circulatory system.

• True

• False

What is the primary function of the cardiovascular system?

• To digest food

• To circulate blood throughout the body

• To produce hormones

• To store energy

Which component of the cardiovascular system is responsible for carrying oxygenated blood away from the heart?

• Veins

• Arteries

• Capillaries

• Lymph nodes

What is the role of the heart valves in the cardiovascular system?

• To prevent backflow of blood

• To oxygenate the blood

• To filter out toxins

• To store blood