How the Human Immune System Protects the Body from Diseases
The human immune system is a sophisticated network of cells, tissues, and organs that work together to defend the body against harmful invaders such as bacteria, viruses, fungi, and parasites. It is essential for maintaining good health and preventing infections, as well as identifying and destroying abnormal cells that could lead to diseases like cancer. The immune system's ability to spot and neutralize threats is imperative to the body’s survival. Here’s how it functions to protect us from disease.