ANATOMY

Detailed explanation-1: -Your immune system is your body’s defense against infections and other harmful invaders. Without it, you would constantly get sick from bacteria or viruses. Your immune system is made up of special cells, tissues, and organs that work together to protect you.

Detailed explanation-2: -A healthy immune system can defeat invading disease-causing germs (or pathogens), such as bacteria, viruses, parasites-as well as cancer cells-while protecting healthy tissue. Understanding how the immune system works and how we can help protect our bodies is essential to the fight against the COVID-19 pandemic.

Detailed explanation-3: -When your immune system fails completely, you’re left without any natural protection against illness. This leaves you open to “opportunistic infections”-sicknesses that can even come from things that ordinarily wouldn’t harm you.

Detailed explanation-4: -The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria.

Detailed explanation-5: -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). The immune system is made up of different organs, cells, and proteins that work together.