ELS-Immune System Quiz

It is a complex network of cells, tissues and organs that work together to defend the body against harmful invaders.

After encountering a pathogen, the immune system "remembers it".

Differentiate between the body's own cell (self) and foreign entities (non-self)to avoid attacking its own tissues, preventing autoimmune responses.

Recognize and respond to a vast array of pathogens adapting to new threats over time.

Circulate through your bloodstream and tissues to respond to injury or illness by attacking any unknown organisms that enter your body

A blood protein in response to and counteracting a specific antigen.

A fist sized organ found in the upper left side of your abdomen ,next to your stomach and behind your left ribs.

Give at least one unique characteristic of the immune system

The following are the key components of the immune system EXCEPT

• white blood cells

• bile

• spleen

• antibodies

Which of the following is/are characteristics of the immune system? (This needs multiple answer)

• antigen regeneration

• tolerance

• clonal selection

• adaptive lymphatic system