Give two reason why bones are living material?

What is this red stringy fluff in your underwear? What are causetive pathogen of leprosy? Is stomach acid a base or acid? Deficiency in wbc? Help when ii go to sleep why isn't there a dream cloud? Is it normal and healthy to be able to see your bottom ribs on your stomach and if not what should you do to fix it? Is 40c breasts big? What happens if stratified epithellium lines the alveoli? How is the lungs affected when you breath the dirty air? Why women menstruate? What does case level mean? Is there a home kit for pap smear where to get? Diabetes insipidus results when? How do you test memory? Is heme and hemoglobin the same? Is my brown hair and green eyes rare i ask because when people see me this is the first thing they notice and tell me that i have a rare face? What is a blackwater fever? In the book breathe a ghost story what disease did Isabella have? What was the most highly prevalent chronic childhood condition in 2002? Around your vliterous it is very red what should you do?