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.
Also have a read of 'Natural remedies for constipation' by herbalist Megan - she describes some more natural ways to ease and relieve constipation, all of which can be applied during your period. Images from Madison.k12.wi.us, FoxNews.com and Live-Pure.com.
Also, the nerve cells in the wall of the colon can be damaged by long term, habitual use of laxatives. When this happens, constipation is inevitable. Some people develop constipation when there is a change in their routine such as a business trip, new job, moving to a new home, anytime their normal routine is upset.