Quantitative research<span> is a formal, objective, systematic process in which numerical data are used to obtain information about the world. This </span>research<span>method is used: to describe variables; to examine relationships among variables; to determine cause-and-effect interactions between variables.</span>
Iron deficiency anemia is a condition when your red blood cells don't contain enough iron. There are multiple causes why this can happen, but it verry often happens with people who are not eating properly and have a poor died. Especially pregnant women should be cautious as to being iron deficient.
The air flows from the nostrils to the nasal passages. The nasal passages are lined with tiny hairlike structures and a sticky substance called mucus. These structures and the mucus filter dust and dirt from the air. In addition, cold air is warmed and moistened as it moves through the nasal passages.
