The Immune System

The ________________

system protects your body from sickness and germs.

Tags

NGSS.MS-LS1-3

___________________ are white blood cells that seek out and destroy organisms or substances that can cause disease.

_________________ are glands that work like filters to remove germs. They’re found in your neck, armpits, and other areas.

Cells that chew up invading germs are called __________________.

___________________ are the cells that recognize invaders like germs.

Leukocytes travel through the body through lymphatic _______________.

A foreign substance that invades your body is called an __________________.

When your body detects an antigen, __________________ are made and lock onto it. Once an antigen is recognized, your immune system can remember it the next time and protect you from getting sick again.

Humans are born with ________________ immunity.

___________________ is one of the best ways to avoid infections and help keep your immune system healthy.