What are the three characteristics of alveoli?

What is the difference between a cold sore fever blister and herpes? What type of medications are given for a tonsillectomy? When a girl has not had her period for a long time what is the problem? What are pimples and spots that form on your nose and then leave bumps that don't go away afterward making the nose look lumpy and bumpy and how can it be treated? How do you raise a premature baby? Chains of glucose used to store food in plants? Can you die with fibrillation? Can you breathe through your mouth while getting braces put on? Can a MRI show a sinus infection? You have irregular periods how can you tell if you had a period or implantation bleeding? What causes the tongue to split in the middle? How dangerous is an infected tooth to an unborn child due to be born in two months? What is lung compliance? Does having fatigue mean you have a STD? How long should your knee be swollen and red after knee replacement? What types of sociopaths are there? Is it possible to break a bone in your big toe and not really notice? What is the first months period like with Yaz birth control? What is the treatment for tooth ache? What phobia is the fear of leaves?