Why do dogs vomit when they are in heat?

Does bronchiectasis end in emphysema? What makes a cow sick? Why urinary incontinence occurs after defecation in the morning? When an embroy grows it gets biggerwhat is the main way in which this happens? When did taking vital signs start? Is it possible for at home pregnancy test to be wrong if your still experiencing pregnancy symptoms? How long does a verruca last? What muscle would interfere with breathing if damaged? Can Parents that have hazel eyes have a daughter with brown eyes? Can Diabetic neuropathy cause muscle twitching or spasms in fingers? What if your pulse is 106 and your blood pressure is 118 91? Which of the following white blood cells does not circulate in the plasma? What is the fear of burping? Can you spray paint a new coat of paint onto an existing paint job? How can you get sleep with out a pill I have got work in 2 hours and it is almost 6 am and I have had no sleep? Can anemia make you loose weight? Does too much oxygen cause damage to the lungs? How is measles spread? Is EDS classical type inherited? Do you still have discharge in the first month before you have found out if you are preg If so what does it look like?