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.

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 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 …

Oct 22, 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 …

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, …

The immune system is the body’s defense mechanism to keep you healthy. It is a complex network of cells, tissues, and organs that work together to identify and eliminate pathogens.

Feb 3, 2025 · Your immune system defends your body against harmful invaders like viruses and bacteria, using white blood cells, antibodies, and other defenses to maintain health.

Dec 11, 2023 · The immune system is a trained army of cells, tissues, and organs that work together to block, detect, and eliminate harmful insults to your body. It can protect you from …

What is the immune system? The immune system is your body's defense system. It helps protect you from illness and infection. The immune system's job is to attack things that don’t belong in …