Disease and Disruption of Homeostasis

Immune system - a system in the body where it fights off bacteria.

Anti-bodies - key like structure that kills bacterias.

White Blood Cell - Found in the blood and it fights off any bacteria or any foreign cells in your body.

Antigen - a "nametag" that tells white blood cell if they are foreigners or not.

Virus - an infective agent that typically consists of a nucleic acid molecule in a protein coat. Is able to multiply only within the living cells of a host. Also virus cannot be treated. There's debates if it is living or non-living.

Bacteria - a member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus. Some bacteria is able to cause disease.

Immune system in the body is help the body to fight off any diseases.

Anti-bodies are protiens that kills off the bacteria like a lock and key.

White Blood Cells is part of the immune system that fights off diseases.

Antigen is another molecule that is made up of proteins. It acts as a nametag to each cell and helps the white blood cel to differentiate cells.

Regents Questions

Answers to Regents Question

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51. Insulin