1.regulate bodily functions
2.promote growth
3. Repair body tissues
4. Obtain enery
ANSWER : communication
Explanation:
His immune system is using the first line of defense. His body is using purging methods that is caused by irritation of the hairs in his nose. This defense system<span> uses physical and chemical barriers that are prepared to defend the body from infection.</span>
The Grapefruit Diet is a common fad diet that promises dramatic results and is only popular for a short period of time.
Bone, which is made of collagen, which is strenghtened by calcium phosphate
