its a multicellular organism
The muscular system doesn't have "symptoms." The muscular systems is just there, and does not have any symptoms.
The muscles of an organism make up the muscular system.
multicellular organism
i dont know The Muscular System.
The animal is an organism. The intestines are a system.
muscular and skeletal
The Muscular-Skeletal System.
The nervous system.
the muscular and cardiovascular system.
the main organ of the muscular system is the muscles
The Respiratory System regulates breathing and gas exchanges within an organism. In humans, this system includes the lungs, airways, and respiratory muscles.
Vertebrates are those that have a skeletal system.