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.
Internal hemorrhoids are very painful and can cause a child to strain and bleed while passing a stool. Antibiotics can upset the normal flora of the colon and lead to constipation. Medication. Some cough mixtures and pain medication have constipation as a side-effect. Chronic stress can cause constipation.