Category: Body system

The immune system is a complex network of cells, tissues, and organs that work together to protect the body from harmful substances and invading pathogens, such as bacteria, viruses, and parasites. Its main function is to identify and destroy these foreign substances while also maintaining the body’s ability to differentiate…

The digestive system is responsible for breaking down food and absorbing nutrients. It involves various organs such as the mouth, esophagus, stomach, small intestine, large intestine, liver, gallbladder, and pancreas. When we eat, the digestive system begins the process of digestion by breaking down food into smaller molecules through mechanical…

The nervous system is a complex network of specialized cells, known as neurons, that transmit signals between different parts of the body. It includes the brain, spinal cord, and peripheral nerves, and it plays a crucial role in controlling and coordinating bodily functions. The nervous system helps us process sensory…