This is all true, these things effect the health of ones hair, skin, and nails
Answer:
is part of the cardiovascular system;
pumps blood to the cells in the body works;
closely with the lungs
Explanation:
The heart is a muscle that pumps blood through the blood vessels and that is the essential function. It is the main and central organ of the circulatory system.
The heart weights between 200 and 425 grams. It is located between lungs, in the middle of the chest and it is divided into four chambers in humans, other mammals, and birds heart.
Heat<span> can also be </span>transferred<span> by the </span>movement of fluids, <span>liquids and gases. Convection is </span>heat transfer<span> by the </span>movement<span> of </span>currents<span> within a </span>fluid<span>. During convection, </span>heated<span> particles of </span>fluid<span> begin to flow. When a </span>liquid<span> or gas is </span>heated<span>, the particles </span>move<span> faster and spread apart.
Please out me on brainlest.</span>
It has the proper muscles to com-bust the blood long enough for the oxygen to flow through the whole body and cleanse poor blood
B it is b because it says community. it is a specialized community most likely elder home. if it were c or d it would say something about the hospital.