The heart Flashcards
1
Q
Where is the human heart situated?
A
It is situated in the middle of the chest cavity between the lungs, and behind the sternum (breast bone)
2
Q
What is the heart?
A
It is a muscular pump
3
Q
What is the function of the heart?
A
To receive oxygenated blood from the lungs and pump it to all cells in the body. To receive deoxygenated blood from the body and pump it to the lungs.
4
Q
What is the shape of the heart.
A
The heart is conical in shape and is a little larger than a fist.
5
Q
What is the protective membrane of the heart called?
A
The pericardium.
6
Q
What holds the heart in position?
A
Large veins that enter and leave the heart.