Your immune system is your body’s first-line defense against invaders like germs. It helps protect you from getting sick and promotes healing when you’re unwell or injured.

Mar 11, 2025 · The immune system is the body’s tool for preventing or limiting infection. Its complex network of cells, organs, proteins, and tissues enables the immune system to defend …

Oct 31, 2025 · 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 …

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.

It detects and responds to a wide variety of pathogens, such as viruses, bacteria, and parasites, as well as cancer cells and objects, such as wood splinters —distinguishing them from the …

3 days ago · What Is the Function of the Immune System? The body’s defense against various microorganisms that cause disease and illness is the immune system. The immune system …

It is a complex network of cells, tissues, and organs that work together to identify and eliminate pathogens. The immune system intersects with almost every aspect of human health and …

The overall function of the immune system is to prevent or limit infection.

Apr 13, 2025 · The immune system is a vast, interconnected network of organs, cells, and molecules that protects your body from harmful substances, pathogens (like bacteria, viruses, …

How does my immune system work? The many different parts of your immune system work together in different ways. This is how they work: Skin — your skin is your first line of defence …