Functions
This is the main function of the immune system
What is defending the body against pathogens?
These cells attack and destroy harmful germs.
What are white blood cells?
This is the body’s first physical barrier against germs.
What is skin?
An organism that causes disease.
What is a pathogen?
Getting sick often can be a sign of this.
What is a weak immune system?
The immune system helps your body fight these.
What are infections?
These proteins attach to invaders to help destroy them.
What are antibodies?
These filter harmful substances and contain immune cells.
What are lymph nodes?
These include bacteria, viruses, fungi, and parasites.
What are pathogens?
These are diseases where the immune system attacks the body.
What are autoimmune diseases?
The immune system responds to these to build protection.
What are vaccines?
These chemicals send signals between immune cells.
What are cytokines?
This organ stores white blood cells.
What is the spleen?
This type of immunity is fast and general.
What is innate immunity?
This happens when the immune system overreacts to harmless things.
What are allergies?
This process helps your body recover after injury or illness.
What is healing?
This type of white blood cell produces antibodies.
What are lymphocytes?
This organ produces blood cells, including immune cells.
What is bone marrow?
This type of immunity develops over time and is long-lasting.
What is adaptive immunity?
This is a serious condition caused by infection spreading in the body.
What is sepsis?
The immune system helps detect and destroy these harmful cells.
What are cancer cells?
This system works with immune cells to fight pathogens.
What is the complement system?
This organ helps train immune cells to fight infections.
What is the thymus?
This type of immunity is temporary and comes from outside the body.
What is passive immunity?
These habits help keep your immune system strong.
What are eating healthy, exercising, and getting enough sleep?