The upper two receiving chambers of the heart share this Latin-derived name.
What are the Atria (or Atrium)?
These tiny door-like flaps keep blood moving in one direction so it doesn't flow backward.
What are Valves?
The body organ where blood goes to pick up fresh oxygen.
What are the Lungs?
The specialized arteries that supply blood and oxygen directly to the heart muscle itself.
What are Coronary Arteries?
Your heart is roughly the size of your own clenched ____.
What is a Fist?
The heart has this total number of rooms (chambers).
What is 4?
The main, giant artery that carries fresh blood from the heart to the rest of the body.
What is the Aorta?
True or False: Human blood is actually blue inside your body before it touches oxygen.
What is False (it's always red, just darker red)?
The tool a doctor wears around their neck to listen to your heartbeat.
What is a Stethoscope?
Your heart is located slightly to this side of your chest.
What is the Left side?
The bottom two pumping rooms of the heart.
What are the Ventricles?
Blood vessels that carry blood away from the heart.
What are Arteries?
The microscopic, super-thin blood vessels where oxygen is delivered to body tissues.
What are Capillaries?
The natural "pacemaker" node in the heart that starts every electrical signal.
What is the SA Node (Sinoatrial Node)?
About how many times does a human heart beat in a single day: 10,000, 100,000, or 1,000,000?
What is 100,000 times?
The muscular wall in the middle that divides the left and right sides of the heart.
What is the Septum?
Blood vessels that bring blood back to the heart.
What are Veins?
Blood entering the right side of the heart is missing this vital gas.
What is Oxygen?
The average resting heart rate for teens falls between these two numbers per minute.
What is 60 to 100 beats per minute?
The animal with the largest heart in the world.
What is the Blue Whale?
This room pumps blood to your whole body, making its muscle wall the thickest.
What is the Left Ventricle?
The valve located between the right atrium and right ventricle, named for its three structural flaps.
What is the Tricuspid Valve?
The specialized arteries that supply blood and oxygen directly to the heart muscle itself.
What are Coronary Arteries?
The abbreviation for the test that uses sticker pads on your chest to draw squiggly lines of your heart's electrical rhythm.
What is an EKG (or ECG)?
Doing this type of exercise makes your heart muscle stronger and lowers your resting heart rate over time.
What is Cardio / Aerobic exercise (like running or swimming)?