Human heart weights how many grams?

What are ringed worms? Does crestor cause fluid build up? Why IgM do not passes through placenta in pregnancy? Pls. help i am 2 weeks late on my period and yesterday i saw like brown blood with like little pieces not clogs but like a bit scabby and i already took a pregnancy test last week came out negative? What are peg teeth? You have irregular periods and suddelnly last month you experience spoting for a weekI have not got periods for the last 6 monthswhat is wrong? Narcolepsy is associated with a relative absence of a hypothalamic neural center that produces? Can a regular blood test show west nile? Can you stand 8 to 9 hours when you have mild levoconvex lumbar scoliosis? Did the great fire of London kill the plague? How does a virus disrupt homeostasis? Can you take ampitrex for yest infection? How can Dr's refuse medical treatment for serious heart issues? Does Mononucleosis affect the spleen? Why do many Americans suffer from acidosis? What causes urine to be brown? Can bees get sick? What is the difference between an axillary bud and a adventitious bud? How can ostroporisis be prevented? Can someone catch mrsa from someone who died already from mrsa?