The immune system is what protects your body from diseases and infections. It's the bodily system that produces the immune response to defend your body from foreign substances, cells, and tissues.

Many species have two major subsystems of the immune system. The innate immune system provides a preconfigured response to broad groups of situations and stimuli. The adaptive immune system …

Feb 19, 2026 · The immune system is a group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing entities. Immunity from disease is conferred …

Oct 20, 2023 · Your immune system is a network of organs, white blood cells, proteins and chemicals that work together to protect you from invaders (like germs) that can harm you.

IMMUNE meaning: 1. protected against a particular disease by particular substances in the blood: 2. not affected…. Learn more.

The immune system works to keep germs and other foreign substances out of the body and destroy any that get in. It's made up of a complicated network of cells and organs.

Overview of the Immune System - Learn about the causes, symptoms, diagnosis & treatment from the Merck Manuals - Medical Consumer Version.

IMMUNE definition: protected from a disease or the like, as by inoculation or by having the necessary antibodies due to a previous infection (often followed byto ). See examples of immune used in a …

Mar 11, 2025 · The immune system defends the body from invaders such as viruses, bacteria, and foreign bodies. Find out how it works, what can go wrong, and how to boost immune health.

The immune system intersects with almost every aspect of human health and disease. When it is functioning correctly, it keeps you from getting sick. When the immune system malfunctions, you can …