Why do women go through menopause but men do not?

How quickly a drug enters your bloodstream also depends on

The heart and lung are located in which cavity ? thoracic

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