Smooth muscle is a type of muscle tissue found in various parts of the body, including the walls of organs like the stomach and intestines. Unlike skeletal muscle, which is under voluntary control, smooth muscle operates automatically, meaning we don't consciously control its movements. This muscle type helps with essential functions such as moving food through the digestive system and regulating blood flow in blood vessels. Smooth muscle cells are long and spindle-shaped, allowing them to contract and relax efficiently. They work in coordinated waves, which is crucial for processes like peristalsis in the digestive system and maintaining blood pressure in the circulatory system. This involuntary action is vital for our overall health and well-being.