What happens to your skin when it is cut?

Is it possible for a woman to still have a regular period throughout her pregnancy? What mode of ventilation to use in restrictive lung diseases? Symptoms of death with acute leukemia? Burned or reddened skin nausea vomiting diarrhea and convulsions may be symptoms of what? Why is a person whose heart valves are damaged by diseases unable to take part in active transport? What triggers 'spontaneous healing' of a narcissist? How do you reject pregnancy? What fact about the kidneys did Dr. Richard Bright discover in 1827? I am 21 days late for my periodmy next period is due the 20th I have been feelin very tired since about aweek before the missed period and urinating lots I was bleeding v.lighlty 10days before period? Is 543 a good blood sugar level? I got a really faint negative line on a pregnancy test and its done that 3 times. does that mean im pregnant? Why do you get bruises when you have leukemia? How much blood do we have pumped in a day? What does a bump on the actual eyeball mean? What causes and enlarged optic nerve in a teenager? You are having brown discharge and brown clots are you pregnant? What is the name and function of one Respiratory system? What if you're born with no appendix? What caused Cujo to get rabies-? Can people who are paralysed go to the bathroom?