The heart wouldn't beat at a constant rate.
It would not be able to have a constant heart rate
The SA node is the natural pacemaker in the heart, and sends electrical signals to make the heart beat.
keeps it alive
The primary pacemaker of a normal healthy heart is the sinus node (or SA node). It is located in the right atria of the heart.
three
heart ,lungs,arteries,veins,cells etc
Pig hearts are similar to human hearts in both their size, structure and function. Due to this (and their plentiful nature) pig hearts are often used for medical research purposes and academic study.
The nodes in the heart control the hearts electrical system. The nodes are known as the sinoatrial node and the atrioventricular node.
PUMP
SA node (sinoatrial) is primary pacemaker, SV node (sinoventricular) is secondary. Purkinje fibers are the very last pacemaker on the list. If a heart gets down to firing on that it, the person is just about dead and needs IMMEDIATE medical attention. Its max rate per minute is 30. A normal heart rate is b/n 60-100 beats per minute. Angie RN
keeps it alive
Earthworms have five main blood vessels within their bodies. These vessels function in a similar function as would hearts in other animals.
it pumps blood around the body
So far, not in any Kingdom Hearts games, but maybe in the future Square Enix will allow that function in Kingdom Hearts III.
A pump.
They act as the hearts of annelids (segmented worms)
They are what tell your heart to beat.
Lightning deals two and a half hearts of damage and sets fire to the block it strikes. They can kill a player.
The primary pacemaker of a normal healthy heart is the sinus node (or SA node). It is located in the right atria of the heart.