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.

2025年1月18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.

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.

2023年8月14日 · The immune system fights germs on the skin, in the tissues of the body, and in bodily fluids such as blood. It is made up of the innate (general) immune system and the adaptive (specialized) immune system. These two systems work …

Disorders of the immune system occur when The body generates an immune response against itself ( an autoimmune disorder ). The body cannot generate appropriate immune responses against invading microorganisms (an immunodeficiency disorder ).

2024年7月27日 · The immune response is the body's ability to stay safe by protecting against harmful agents. The response involves lines of defense against most microbes and specialized and highly specific responses to particular offenders. This immune response is either innate, nonspecific, adaptive acquired, or highly specific.

2023年12月26日 · Your immune system is made up of cells, tissues, and organs that fight infections and diseases. Learn how it works, and about diseases of the immune system.

The immune system distinguishes self from nonself and eliminates potentially harmful nonself molecules and cells from the body. The immune system also has the capacity to recognize and destroy abnormal cells that derive from host tissues. Any molecule capable of being recognized by the immune system is considered an antigen (Ag).

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.

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).