Which of these should you never text to someone without the permission of a parents or guardian A your friend joke B your home address C your funny photo of a pet D your video of last nights sunset

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

Answer in a couple of paragraphs, 1 or 2 at the most if anything! 20 points + brainliest--> explain what all the systems in your body do to work together < --list of systems needed: circulatory systemrespiratory systemdigestive systemexcretory systemnervous system

Signs of a sprain might include: a deformed appearance immobility a grinding sensation swelling