The heart is a small muscular organ with several chambers that contract to push fluid through. The heart is connected to tube-like vessels, which reach every cell in the entire body.
The structure of the heart enables this organ to
OA
pump blood containing nutrients, wastes, and gases throughout the body.
OB.
provide an opening through which wastes can pass from the body to the outside.
OC.
provide the strong, rigid framework to which the muscles of the body attach.
OD
interpret images, sounds, textures, and smells taken in through the sense organs.