Heart Functions
What is the main function of the heart?
To pump blood throughout the body
What does the word “remarkable” mean?
Extraordinary, likely to be noticed
What are the tubes that carry blood throughout the body?
Arteries and veins
Name one way to keep your heart healthy.
Eating healthy, exercising, reducing stress
True or False: The heart is a muscle.
True
How many chambers does the heart have?
Four
Fill in the blank: The heart is part of the ______________ system, which moves blood through the body.
Circulatory system
What does the heart pump through the body?
Blood
Why are fruits and vegetables important for the heart?
They provide important nutrients
What organ works nonstop, even while we sleep?
The heart
What do the top two chambers do?
Receive blood from the veins
What does it mean to “contract”?
To make something smaller or shorter
Why is oxygen important for the body?
It helps us survive and gives cells energy
How does exercise help the heart?
It makes it stronger and improves circulation
What sound does the heart make?
Lub-dub
What do the bottom two chambers do?
Pump blood into the arteries
Fill in the blank: The heart helps ____________ waste from the body.
Eliminate
What is the difference between veins and arteries?
Veins bring blood back to the heart, arteries carry it away
What happens if you eat too much unhealthy food?
It can clog arteries and harm the heart
How big is the heart compared to the body?
About the size of a fist
About how many times does the heart beat in one day?
100,000 times
What is a necessary gas that the heart helps deliver to the body?
Oxygen
About how much blood does the heart pump each day?
Up to 2,000 gallons
How can stress reduction help heart health?
Too much stress can make the heart work too hard
True or False: The heart stops beating when we hold our breath.
False