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:
check the rule book its also on google
Explanation:
D) the baby has a regular sleep cycle :)
The Georgia law requires you to be 21 years of age at least or if under have an amidite family member with you that is 21 years of age or over so the correct answer is b. 21 I would like brainliest but I don't need it hope this answer helped you! :)
