B . Femur
is youre answer to this question <3 :)
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:
There aren't any options to choose from
Explanation:
The use of alcohol to alleviate problems will only make them worse in the end because it does nothing but push it further back until it grows into something worse.
