 
			 
			MCQOPTIONS
 Saved Bookmarks
				| 1. | Mucus helps in protecting against pathogens by | 
| A. | lowering the pH | 
| B. | facilitating the growth of normal flora | 
| C. | blocking access and attachment of pathogens to mucosal surfaces | 
| D. | sequestering Iron | 
| Answer» D. sequestering Iron | |