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.
How to avoid constipation. Constipation during pregnancy can be caused by hormonal changes that cause the intestines to move less. Iron supplements can also cause constipation. To avoid constipation, eat lots of fibre-rich foods such as fruit, vegetables, wholemeal bread and cereal, prunes and prune juice.