The immune system: Cells, tissues, function, and disease
2023年11月22日 · 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.
Immune system - Wikipedia
The immune system is a network of biological systems that protects an organism from diseases. It detects and responds to a wide variety of pathogens, from viruses to bacteria, as well as cancer cells, parasitic worms, and also objects such as wood splinters, distinguishing them from the organism's own healthy tissue. Many species have two major ...
Immune System Function, Conditions & Disorders - Cleveland Clinic
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. You can strengthen your immune system by eating nutritious foods, exercising and getting enough sleep.
Immune system | Description, Function, & Facts | Britannica
2024年12月31日 · Immune system, the complex group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing entities. Immunity from disease is conferred by two cooperative defense systems: innate immunity and acquired immunity.
In brief: How does the immune system work?
2023年6月6日 · The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins. As long as your immune system is running smoothly, you don’t notice that it’s there.
The Immune System - Johns Hopkins Medicine
What is the immune system? The immune system protects your child's body from outside invaders. These include germs such as bacteria, viruses, and fungi, and toxins (chemicals made by microbes).
Overview of the Immune System - National Institute of Allergy …
The overall function of the immune system is to prevent or limit infection. All immune cells come from precursors in the bone marrow and develop into mature cells through a series of changes that can occur in different parts of the body.
Overview of the Immune System - Immune Disorders - Merck …
The immune system is designed to defend the body against foreign or dangerous invaders. Such invaders include. To defend the body against these invaders, the immune system must be able to distinguish between. Antigens are any substances that the immune system can recognize and that can thus stimulate an immune response.
The Human Immune System Explained - WebMD
2024年5月25日 · From your skin to tiny cells, use WebMD's slideshow to learn about the parts of your immune system, what they do, how they work together, and what can happen when it malfunctions.
Overview of the Immune System - The Merck Manuals
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 your body, including: What does the immune system do? Your immune system fights infections and diseases. This is called an immune response.