Heart and Blood Quiz

Which part of the body controls the heart's automatic beating?

• Brain stem

• Autonomic nervous system

• Cerebellum

• Spinal cord

How many miles does blood travel through the body in 24 hours?

• 6,000 miles

• 8,500 miles

• 12,000 miles

• 15,000 miles

What percentage of the heart and brain is composed of water?

• 50%

• 65%

• 75%

• 90%

Why does the heart beat faster when you're moving?

• To create more heat

• To generate electricity

• To provide more oxygen to body cells

• To cool down the body

The heart is approximately the size of:

• A tennis ball

• A fist

• A football

• A small apple

Which statement best describes blood vessels?

• They are rigid tubes

• They transport only oxygen

• They function like train tracks moving blood

• They are completely stationary

How long does it take a drop of blood to travel through the entire body?

• 30 seconds

• One minute

• Five minutes

• Ten minutes

What is the average heartbeat for a child?

• 60 beats per minute

• 75 beats per minute

• 90 beats per minute

• 110 beats per minute

Which of the following is NOT a way to keep your heart healthy?

• Drinking water

• Eating vegetables

• Sitting for long periods

• Exercising regularly

The heart is located:

• On the right side of the chest

• In the center of the chest

• On the left side of the body

• Behind the stomach