Post #2139

What Are Muscles and What Do They Do? Muscles pull on the joints, allowing us to move. They also help the body do such things as chewing food and then moving it through the digestive system. Even when we sit perfectly still, muscles throughout the body are constantly moving. Muscles help the heart beat, the chest rise and fall during breathing, and blood vessels regulate the pressure and flow of blood. When we smile and talk, muscles help us communicate, and when we exercise, they help us stay physically fit and healthy. ⚠️Let's look at: 1. Three different kinds of muscles 👈 2. How do muscles work? 👈 🚨 Source : @HeathSafetyTps