Grasshoppers use a chitin exoskeleton, which is made up of a sugar monomer.
Humans use a calcium matrix internal skeleton.
the snake doesn't know if it has a skeleton while the human does.
jj
The skeletal system itself is an organ system. Some schemes combine the skeletal system with the muscular system to make the musculoskeletal system.
Skeletal sysytem
There are many different facts that you could consider to be trivia about the human and frog skeletal systems. You could consider purposes for these structures for example.
skeletal system
Has 206 bones.
a skeletal system
Bone.
my face
no
Skeletal system comprises of bones, associated cartilages and joints of human body.