Muscular and Skeletal
While basically any organ in your body has a function (aside perhaps of the appendix) the only "organ" in your arm that you could have removed without losing arm functions would be a lymphic node, which is part of your immune system. Losing one of these nodes would lower the effectiveness of your immune system, but not cost you arm function.
It is a tentacle.
The largest internal part in your body well.................let's see...............when people mean part, sometimes that can mean an organ or a body part like a leg, arm, or head. The biggest internal organ in your body is your heart. The biggest internal part would probably be your muscular system or skeletal system.
The Lungs
The lungs
To raise your hand in class, by bending your arm at the elbow.
While basically any organ in your body has a function (aside perhaps of the appendix) the only "organ" in your arm that you could have removed without losing arm functions would be a lymphic node, which is part of your immune system. Losing one of these nodes would lower the effectiveness of your immune system, but not cost you arm function.
nervous system
Skeletal, muscular, circulatory, nervous, lymphatic/immune
You can find me in the shoulder. I raise and rotate the arm. My name is Deltoid
Arm is the example of 2nd class lever.
Arm is the example of 2nd class lever.
3rd class levers are in your arm.
Not necessarily. Your biceps are not an organ, just muscle. Your arm isn't an organ, just a limb.
The biceps brachii muscle will contract, pulling the lower arm up.
When raising dumbells in front of you by using only the forearm, the pivot is the elbow joint; the load is the dumbells at the opposite ends of the arm from the elbow joint; and the position of the effort is where the muscles of the arm are attached by tendons to the arm bones near the wrist. This is a third class lever system.
Just does. Deal with it.