Anemia can be caused by a great amount of things. The most common reason is through iron deficiency, which is linked to other illnesses that cause anemia. Or, through malnutrition where the patient is not getting the right amount of vitamins or minerals in their diet. The protein hemoglobin contains iron, which is why the hemoglobin levels drop at times when there is anemia
Researchers are most likely to use an electroencephalograph to measure their brain wave activity throughout the night. Formulating a hypothesis. Find out what goes on in people's brains during a typical night's sleep, Proposes that there is a relationship between the amount of sleep deprivation and the ability to solve complex mental tasks; the more sleep deprived people are, the more mistakes they are likely to make.
Interacting with Other Systems. The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. The circulatory system also carries chemical signals from your endocrine system that control the speed of digestion.