Concepts and Challenges

Concepts and Challenges

4.11 - 1251 ratings - Source

J. 5*1. How. does. the. body. fight. disease? What is immunity? body usually are destroyed by white blood ... Your body usually can protect itself from illness because it has defenses against disease. ... System Although the skin protects the body from most germs, bacteria and viruses can enter the body through the mouth.

Title:Concepts and Challenges
Author:Leonard Bernstein, Stanley Wolfe, Globe Fearon
Publisher:Ags Pub - 2003-06-30


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