Heart Anatomy
How many chambers does the human heart have?
4
Where does blood go to pick up oxygen?
The lungs
What device keeps an artery open after it has been unblocked?
a stent
About how many times does your heart beat per day?
100,000 times a day
If blood is flowing backward in the heart, what structure is likely not working?
a valve
What are the two upper chambers of the heart called?
Atria
What color is oxygen-rich blood usually shown as in diagrams?
RED
What procedure uses a small balloon to open a blocked artery?
balloon angioplasty
True or False: Your heart is completely on the left side of your chest.
False (it’s mostly centered, slightly left)
If someone’s heart is beating too slowly, what device might help?
a pacemaker
Which chamber pumps blood to the entire body?
The left ventricle
What side of the heart pumps blood to the lungs?
The right side
What device helps control an irregular heartbeat?
a pacemaker
Can the heart fully repair itself after major damage?
no
If an artery is 80% blocked, what procedure could open it?
Balloon angioplasty
Why is the left ventricle thicker than the right ventricle?
It has to pump blood to the whole body, so it needs more force.
Why are valves important for blood flow?
They prevent backflow and keep blood moving in one direction.
What medical device replaces a damaged heart valve?
an artificial valve
What happens to your heart rate when you exercise?
it increases
After angioplasty, what is often added to keep the artery open long-term?
a stent
What is the wall that separates the left and right sides of the heart called?
The septum
Put this in order: lungs, body, heart
heart --> lungs --> body --> heart
Why are engineers important in heart surgery?
they design the tools and devices necessary for fixing certain heart problems
Why do athletes often have lower resting heart rates?
Their hearts are stronger and pump more blood per beat.
If the heart muscle becomes very weak, doctors might use what device to help it pump?
A ventricular assist device (VAD)