In this article we will discuss about the regulation of respiration in humans. Oxygen requirement by the body differs depending on the activity. It is lowest at rest and increases during routine activity and further increases in muscular exercise. Similarly production of carbon dioxide also is dependent on the rate of metabolic activity in the […]
Regulation of Respiration in Humans
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Biology Notes on Defecation
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Defecation is a reflex which results in the expulsion of feces and is normally under voluntary control in adult. In infants, it is purely a reflex action. The desire for defecation is felt when the finally formed feces enter the rectum. Continuous escape or dribbling of feces is prevented by presence of two sphincters. a. […]
Small Intestine and Large Intestine (With Diagram)
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In this article we will discuss about the small and large intestine of digestive system. Small Intestine of Digestive System: Motility of Small Intestine: The movements of small intestine are brought about by the smooth muscle present in its wall. a. Wall of small intestine has an outer longitudinal and an inner circular layer. b. […]
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