B. Must have an animal label animals do not have the same systems and capacities that humans do this could be fatal if there is not an animal label on it.
the androgens is what both men and women have when working out and is part of the reproductive and adrenal system
<span> 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.
Nervous system controls the muscles! it sends them messages such as "move the muscle now" - and in fact the muscles are directly connected to the skeleton</span>