Infection Detection: Body's Defenses Against Infections - A

The network of cells, tissues, and organs that all work together to keep the body healthy and fight infection.

• skin

• Mucus

• Immune System

• Immune

Tags

NGSS.MS-LS1-3

The immune system helps protect our body in two ways and protect itself from illness.

• Nerve System

• Human Body

• Blocks invaders from entering the body.

• Destroys and removes germs if they do make it inside the body.

Sweat glands in the skin produce sweat that helps wash away germs on the skin's surface.

• Lymph Glands

• Skin

• Tonsils

• Cilia

They trap and destroy invading germs before they can get any further into the body.

• Viruses

• Tonsils

• Lymph glands

• Mucus

• Germs

A Sticky, gooey, substance found in the nose and along our respiratory tract.

• Cilia

• Stomach

• Spleen

• Mucus

Nodes are small, round structures found throughout the body, such as in the neck.

• Mucus

• Cilia

• Tonsils

• Lymph Glands