When oxygen enters blood what colour it will be?

How did historians find out about the black death over the years and their view on it? What is an arsenicosis? Why are there white worms that are not tape worms in dog's feces? Are Painted turtles cold blooded or warm blooded? Do rectum is a mucous membrane? What is the fear of the name Whitney called? Is it more common to be Rh plus or Rh? What is the treatment for Batten disease? How long does it take for and ankle fusion to heal? What does bobcat feces look like? Which leukocyte probably absorbs poisonous substances from the tissues? How often can one be afflicted with Bell's Palsy? Is Helicobacter pylori derived from shigella sonnei? If you have chlamydia but your partner tested negative will he get it? Is weight loss a side effect of Suboxone? What kinds of events in a person's life can cause overwhelming feelings of grief? When you stop cracking your knuckles dose the swelling go down? Does chicory contain gluten? Does heat exhaustion raise blood sugar? What is a dental operatory?