Heart Basics
This organ pumps blood all around your body.
The heart
Red blood cells carry this important gas.
Oxygen
This type of exercise is especially good for your heart.
cardio
A doctor who treats heart problems.
Cardiologist
The heart has this many chambers.
Four
This part of blood helps fight germs.
white blood cells
This tool measures how fast your heart is beating.
Pulse
This machine shows the heart’s electrical activity.
an EKG
The right side of the heart sends blood to this organ to get oxygen.
The lungs
These tiny cell pieces help stop bleeding by forming clots.
platelets
The heart beats faster during this activity.
exercise
This test uses sound waves to see the heart.
echocardiogram
This is the main job of the heart.
Pumping Blood Through the Body
Blood vessels that carry blood away from the heart.
arteries
This part of the heart is the natural “pacemaker.”
SA node
This can raise heart rate and blood pressure when too high.
Stress
This tool listens to heart sounds.
Stethoscope
This is the name of the strong muscle that makes up the heart.
Myocardium
Blood vessels that carry blood back to the heart.
veins
An irregular heartbeat has this medical name.
arrhythmia
Doctors recommend this many minutes of daily physical activity for kids
60 minutes
A hospital area where very sick heart patients are treated.
ICU