the immune system

The ________________

system protects your body from sickness and germs.

Tags

NGSS.MS-LS1-3

they help the body fight infections (multiple)

• white blood cell

• immune system

• antibodies

• spleen

a protein made in response to antigen

• antibodies

• thymus

• white blood cells

• spleen

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

Tags

NGSS.MS-LS1-3

An organism that enters a life form and causes disease or sickness is a/an:

• macrophage
• pathogen
• vaccine
• flu

A type of cell that "digests" pathogens is known as a/an:

• helper T cell
• macrophage
• suppressor T cell
• plasma cell

What is the first barrier against disease?

• White blood cells
• Red blood cells
• the skin
• leucocytes 

This system contains cells that help fight diseases

• immune system

• lymphatic system

The vaccine helps the body to learn how to destroy the real germ.

• True

• False

What builds up in our nose to trap germs?

• muscus

• sweat

• blood