How many times per minute should a 12 year old heart beat?

Is ganja dangerous for human health? The most powerful respiratory stimulus for breathing in a healthy person is? What system is damage most when smoking tobacco? How do you find out an individual's communication needs and preferences? What should i do if she loves me too but is always busy and don't give me time? How do you get Munna to fall asleep in PokePark 2 wonders beyond? What would you do to desirable to make undesirable? Is it bad to have too much sex in one week? What does ginger powder do to an eye? Can you bite off your finger? What do it mean when your boyfriend tells you he needs space but continue to contact you? Why can'y you drink milk before a blood test? Someone who never takes alcholic drink? Is wellness a static or dynamic process? What is the largest catheter made available? Is it normal if the Segmenters is 0.31 for female? How do germs go from one person to another? Do women know that being demanding can be a major turn off for men? What are six health habits that are important to a health lifestyle? How do you make your big sister laugh?