What chamber of the heart does blood exit before it goes to the cells of the body?

If your period is irregular and you don't know if you are pregnant but you start bleeding could this be your period or a miscarriage? Is it ok to have signs of start your period 21 days after your last one? Causes effects and possible solutions of the teenage pregnancy? Can eat pregnant women custard? Is axial compressor multi stage? I know a terminally ill patient who wants to die. Where can you get your hands on hydrogen cyanide? What does it mean if the lower part of the stomach is hard and hurts every time you push it and if its been about a week since unprotected sex is it pregnancy? If you got paid 900 every 2 weeks and your bills were 1445 a month and payable on the first of the month how much would be left for leisure? How does disease affect the organism? If skin was exposed to masking tape is it toxic? What are the Characteristic of best value in contracting? How can you tell if someone has been suffocated or drowned if there are no bruises on the body? Do girls have to hold something to pee like boys do? Your hearing power is slightly low you feel that you want to listen more louder voice than any other normal person please give you the remedy for this? Are the lungs where walls are made of a single layer of cells forming semi permeable membrane? What produces rhesus negative blood in children? How do the victims of the Black Plague finally die? What color are Czech people? How can you speed up grouth? Name two parts of the blood that can pass through the capillary walls?

What chamber of the heart does blood exit before it goes to the cells of the body?