The Human Heart

Where is the heart located in the human body?

• Left side behind the sternum

• Center of the chest

• Right side behind the sternum

• Lower abdomen

What are the two main parts of the circulatory system?

• Heart and lungs

• Capillaries and arteries

• Arteries and veins

• Blood vessels and heart

What is the average number of heartbeats per day?

• About 80,000 beats

• About 115,000 beats

• About 50,000 beats

• About 200,000 beats

How many main parts does the human heart have?

• Three

• Two

• Six

• Four

What does oxygenated blood mean?

• Blood lacking nutrients

• Blood full of oxygen

• Blood with carbon dioxide

• Blood without oxygen

How long does it take for a drop of blood to travel throughout the body?

• About 1 minute

• About 30 seconds

• About 2 minutes

• About 5 minutes

What percentage of the heart is made up of water?

• 50%

• 65%

• 83%

• 75%

Why is it important to exercise for heart health?

• To strengthen it

• To make it beat slower

• To make it larger

• To reduce its beats per minute

What role do vegetables and fruits play in heart health?

• Increase cholesterol

• Clear arteries for better blood flow

• Decrease oxygen in blood

• Increase blood pressure

Why is staying hydrated important for the heart?

• To solidify the blood

• To increase blood volume

• To decrease blood flow

• To keep the heart pumping blood

Tags

NGSS.HS-LS1-3