The human muscular system is complex and has many functions in the body, like mobility and stability. ... Examples of such activities include running, chewing, and writing.

The muscular system is made up of over 600 muscles, and each has a part to play in how our bodies function. In addition to allowing movement, muscles control our heartbeat and breathing, aid in ...

The digestive system: ... Thousands of enzymes in the human body exist to perform around 5,000 different functions. A few examples include: Lipases: This group of enzymes help digest fats in the gut.

The urinary system – also known as the renal system – produces, stores and eliminates urine, the fluid waste excreted by the kidneys. Urinary system functions and urinary system diseases are ...