Question

Please help me

Answer 1

skeletal system and the muscular system,

Muscles are attached to the skeleton and work assuming that the skeleton is there; for example, there is no muscle that makes sure you don't bend the middle of your arm, as it's stable because there is a bone in it. Basically, the skeleton is a scaffolding for the muscles.

the skeletal system and the nervous system,

Many nerves run along the skeleton, or even inside the bones, and the bones protect the nerves; for example in the spinal cord

the muscular system and the nervous system.

The Nervous system controls the muscles; it sends the muscles commands

Answer 2

I agreed with the previous comment. So impressive