The right ventricle then pumps blood through the pulmonary artery into the lungs. 4. In the lungs, tiny blood vessels called capillaries absorb carbon diox-ide from the blood and replace it with oxygen. 5. Oxygenated blood then flows through the pulmonary vein and into the left atrium. 6.
It is this hormone progesterone that can affect your digestive system by delaying the transit time of food through the intestines and hence may lead to constipation before your period. Usually though, you should find that the period-related constipation eases with the start of menstruation.
Almost everyone experiences constipation at some point in. their life. It is more common in women and adults ages 65. and older. Pregnant women may have constipation as the. gut slows down in pregnancy, and it is a common problem. following childbirth or surgery. Most constipation is tempo -. rary and not serious. Understanding its causes, prevention. and treatment will help most people find relief.