Impotant of the presence of large no. Of structure which project into lumen of organ

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jasonwong92

Oct 9, 2010, 07:08 AM

I need the points in doing my bio discussion in report...TQ

Unknown008

Oct 9, 2010, 08:52 AM

Depending on what lumen you're talking about, there are different types of structures. Think about your lungs, your intestines. What do you think is the important of having alveoli or villi in your body?