How is reproductive system connected to circulatory system?

What is the healthy temperature difference between inside of an air conditioned home to the outside air temperature? Which part of the collar bone is fractured from a seatbelt? Why does Mr Raymond pretend to be drinking alcohol? What extrinsic muscle Turns eye up and laterally is called what extrinsic muscle? Witch organ is inflamed when one is suffering from nephritis? At five months would you kno your babys gender? How does digestion work on a molecular level? Why it is harder to replace lost blood in elderly patients? I am 14 and still not started my periods. My friends started ages ago. I have only just got pbes though Is this normal? Types of negative and positive work behaviours? HIV is the causative agent of? What are some signs and symptoms of heatstroke? How does tar effect the lungs? Can diabetic eat jicama? Does an increase in carbon dioxide levels cause an increase in depth of breathing? Can not having ovaries cause hair lost? Is it safe to take amlodipine during pregnancy? How dors agoraphobia prevent someone leading a normal life? What causes negative publicity? What is an internally caused injury?