yes
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The excretory system of crayfish, which involves specialized structures called green glands for waste removal, is unlike the human excretory system, which primarily relies on the kidneys. The respiratory system of crayfish, which involves gills for gas exchange, differs from the human respiratory system that uses lungs.
The skeletal system are your bones.
skeletal system* bones. :)
the skeletal system is a system in the body .
Crayfish have muscles. They need them to move.
The skeletal system itself is an organ system. Some schemes combine the skeletal system with the muscular system to make the musculoskeletal system.
skeletal system
A monkey skeletal system is its bones
there are no organs in the skeletal system
Vertebrates are those that have a skeletal system.
skeletal