the heart is a muscle that expands and contracts or pumps blood throughout the body.
Blood cells and a brain to control it . It's that simple .
The heart is not considered a simple machine; it is an organ that functions as a pump to circulate blood throughout the body. Simple machines are typically mechanical devices that can be used to make work easier, like levers or pulleys.
Simple answer is sinus node
The gullet of the worm is just below the pharynx. In the common it is close to the heart of the work. The digestive system of the worm is simple.
work does not have a simple word its the simplest
Simple Plan does not have a song called 'Fly To Your Heart'.Fly to Your Heart is Selena Gomez's.
Work of Heart was created in 1982.
the major system of a animal is its heart and its brain the heart is important because it help the animalbreath and live the brain is good for instruct the body of what to do it is simple and its sort of the way our stystems work but different.
How the Heart and Circulatory system work.
simple plan's new album is get your heart on!!
my results are that simple machines work by using force and some work.
how does the heart work