1. The immune system is like ..... ....... because ......

2. 1st Line of Defense Poster Work in groups of 3-4 - each person has a job
1. Title: First Line of Defense (1 pt)
2. Four drawings (one in each quarter of page): (12 pts)
Skin Cilia & Mucus
Saliva Stomach acid
3. Descriptions of how each type of defense works to fight off infection (use your notes!). (12 pts)
Total 25 pts

3. First Line of Defense Skin Cilia & Mucus Saliva Stomach Acid Write
description
here
Write
description
here
Skin
Cilia & Mucus
Write
description
here
Write
description
here
Saliva
Stomach Acid