Not necessarily. Your biceps are not an organ, just muscle. Your arm isn't an organ, just a limb.
The heart.
The heart is the life-sustaining organ of the human body, responsible for pumping blood throughout the circulatory system to deliver oxygen and nutrients to all parts of the body. Without the heart functioning properly, the body would not receive the necessary blood flow to sustain life.
when they all connect
heart is the main organ that pumps the blood to circulate all over the body.
BLOOD
Skin. The human organ of skin that covers the whole body is deffinitelly the most injured of all body organs. (Bet you didn't know skin was an organ)
The brain, since it controls all other parts of the body. And it is spelled organ.
Respiratory System
The heart is the organ that supplies blood and oxygen to all parts of the body.
Anatomy is the study of the human body, the locations functions and relations of the organ systems.
depends, if your talking about the human organ system than it has to do with all the organs in the body.
The answer to that is skin.