human heart Flashcards
1
Q
hollow muscular organ that is as big as your fist, located in the center between the chest and lungs; has four chambers with specific tasks to do
A
heart
2
Q
receiving chambers of the heart, accepting blood from the body (right) and from the lungs (left)
A
atrium/atria
3
Q
pumping chambers, moving blood to the lungs (right) and to the body (left)
A
ventricle
4
Q
acts as a one-way door, allowing blood to flow either forward into the chamber, or out of the heart
A
valve
5
Q
atrium that receives blood coming in from the veins
A
upper chamber
6
Q
ventricle that forces blood out into the arteries
A
lower chamber
7
Q
this is something between each atrium and ventricle to prevent the blood from moving in and only one direction
A
valve