In this article we will discuss about the function of stomach. 1. Temporary storage organ: It acts as a temporary storage organ. Because of this, the frequency of eating is reduced. 2. Secretory function (Fig. 5.9): It secretes HCl and pepsin apart from other things including mucus. The G cells of pyloric region secrete gastrin hormone which is one of [...]
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 body. Respiratory system has the [...]
The functions of saliva are: 1. Lubrication of food: Assisted by chewing, saliva gets mixed with food in the mouth; the mucin which is a sticky substance helps to form bolus. Saliva prepares the food for swallowing forming a slippery coat over the bolus. 2. Solvent action: Taste is a chemical sense. Any substance, the taste of which has to [...]