Myocardium
<span>The heart has
four chambers, four valves. It is composed of cardiac muscles which all
in all pumps blood throughout the human body through the blood vessels.
When something gets injured around the heart, well it will
automatically, in high possibility stop functioning. Take not of the
valves and the most important is the sinoatrial node which is the pace
maker of the heart. It is what triggers the heart to pump itself and the
valves then function and the blood travels and then gets cleansed out
of carbon dioxide in the alveoli.<span> </span></span>
Answer:
Making more babies that will survive and having an adaption
Explanation:
All of these are essential to survive
That is the vacuole. They usually fill up with food, water, or other various wastes.
Answer:
Because it is important to support the body to function properly
