What is the heart?
Q: What is the heart?
A: The heart is an organ found in every vertebrate that pumps blood throughout the body.
Q: What is the size of the human heart?
A: The human heart is about the size of a fist.
Q: Where is the heart located in humans?
A: The heart is located on the left side of the body in humans.
Q: What is the function of the heart?
A: The function of the heart is to pump blood throughout the body.
Q: What is the meaning of the prefixes 'cardiac' and 'cardio'?
A: Both 'cardiac' and 'cardio' mean "about the heart".
Q: What does 'myocardium' mean?
A: 'Myocardium' means the heart muscle.
Q: What is the outer layer of the heart called?
A: The outer layer of the heart is called pericardium.
