Muscular system and excretory system interact with each other in different ways. The muscular system helps in circulation of foods and blood and allows to produce voluntary movement. The major organs of muscular system are cardiac muscle, smooth, and skeletal.On the other hand, the excretory system helps in elimination of waste. Its main organs are kidney, urethra, bladder.
Excretory works closely with digestive while the muscular system works mostly with respiratory, digestive and circulatory. Muscular system works with the nervous system to control brain muscles. In digestive muscular push food through the digestive system and the is mechanically churned and chewed for easy digestion.
Muscular system has a disease called cerebral palsy where person balance, motor functions, posture are affected.