While the presence of Islam in West Africa dates back to eighth century, the spread of the faith in regions that are now the modern states of Senegal, Gambia, Guinea, Burkina Faso, Niger, Mali and Nigeria, was in actuality, a gradual and complex process.
Hypoventilation is a condition that arises when air entering the alveoli, small air sacs in the lungs that are the site of respiratory gas exchange, is reduced. This causes levels of oxygen to decrease and the levels of carbon dioxide to increase.
What is Obesity Hypoventilation. Syndrome (OHS)? OHS is a breathing disorder in obese people that. leads to low oxygen levels and too much carbon. dioxide in your blood. Low oxygen and high. carbon dioxide levels may develop because of. a condition called hypoventilation during the. day (daytime hypoventilation). Hypoventilation. means you are not moving enough air in and out. of your lungs very well.