Muscular

The muscular system is one of the most important systems in the human body, yet many people only think of it in terms of strength or exercise. When learners search for what does the muscular system do, they are usually trying to understand how muscles help us move, stay alive, and perform everyday activities. In … Read more

Duchenne muscular dystrophy symptoms often begin subtly, making them easy to overlook in the early stages of life. This rare genetic condition primarily affects boys and leads to progressive muscle weakness that worsens over time. Parents may first notice delays in physical development, such as difficulty running, climbing stairs, or standing up from the floor. … Read more