i think it is the bones in your body because you are dealing with bones in the skelotpn system so what else can it be?
The skeleton is made up of bones.
bones
The major organs that make up the reproductive system is the penis in males and the vagina in females. The other organs are the gonads, more specifically the testicles and ovaries.
chocalate
Your kidneys are the major organs of the Excretory System
what organs make up the immune system
A system. :)A group of organs that work together make up a system. For example, you have a nervous system. Your brain, nerves, eyes and ears are some organs in your nervous system. This system controls your actions.
The organs that make up the respiratory system are the mouth, nose, Trachea, Lungs and bronchial tubes.
what organs make up the immune system
The skeleton you are referring to is the axial skeleton. It includes the skull, rib cage, and vertebral column (backbone), which provides structural support and protects vital organs such as the brain and heart.
Cardiovascular, made of cardio=heart and vascular=vessels
The three organs or tissues that make up the cardiovascular system are the heart, blood vessels, and blood.