Circulatory System Quiz

What is the heart divided into?

• Muscles

• Chambers

• Valves

• Vessels

What does the right side of the heart do?

• Sends oxygen-rich blood to the body

• Takes in oxygen-poor blood from the body

• Sends blood to the brain

• Receives blood from the lungs

What does the left side of the heart do?

• Removes waste from the body

• Pumps blood to the lungs

• Sends oxygen-rich blood to the body

• Cools the blood

What happens when you run around a lot?

• Your body needs less oxygen

• Your heart stops pumping

• Your body needs more oxygen-filled blood

• Your heart slows down

Why does your heart pump faster when you exercise?

• To help you breathe slower

• To cool your body

• To send oxygen-filled blood to different cells

• To store extra oxygen in your muscles

What does the cardiovascular (circulatory) system deliver to the body’s cells?

• Carbon dioxide and waste

• Oxygen and nutrients

• Heat and sound

• Sugar and protein powder

What is one of the main jobs of the circulatory system?

• Making bones stronger

• Helping you move faster

• Removing carbon dioxide and waste from cells

• Creating energy in the muscles

What does blood transport around the body?

• Only oxygen

• Only nutrients

• Only water

• Oxygen, nutrients, water, and waste

Why is the cardiovascular system important to every part of the body?

• It helps the brain think faster

• It keeps cells alive by transporting what they need

• It helps the skin grow faster

• It controls the body’s temperature

What is the main job of the heart?

• To clean the blood

• To store oxygen

• To pump blood around the body

• To stop waste from moving