Usually, an unrecognized cancer will have other symptoms or abnormalities of laboratory tests, in addition to unexplained weight loss. Potential causes of unexplained weight loss include: 1  Addison's disease (adrenal insufficiency). 2  Cancer. 3  Celiac disease.
Skeletal muscles are under voluntary control; smooth muscles and cardiac muscles aren't. 6 people found this useful. Edit. Share to: 1  The Five Major Parts of the Brain At its most basic, the brain controls the body. 2  Electrical impulses are sent along the nervous system to and from the brain that regulate all movement.hare to: 1  The Five Major Parts of the Brain At its most basic, the brain controls the body. 2  Electrical impulses are sent along the nervous system to and from the brain that regulate all movement.
All the voluntary movements are controlled by your skeletal muscles. Cardiac and Smooth muscle (the other types of muscle) are involuntary. Only skeletal muscles perform volun â¦ tary movements.5 people found this useful.ll the voluntary movements are controlled by your skeletal muscles. Cardiac and Smooth muscle (the other types of muscle) are involuntary. Only skeletal muscles perform volun â¦ tary movements. 5 people found this useful.