JSIERT

Solution Intestinal juice is a clear to pale yellow, watery secretion produced by the glands and mucous membrane lining of the small and large intestines. It contains hormones, digestive enzymes, mucus, and neutralising agents. Additionally to releasing gastrointestinal hormones into the bloodstream and neutralising hydrochloric acid from the stomach, intestinal juice also contains digestive enzymes …

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Solution:- Composition of Pancreatic juice in Humans:- Pancreatic juice is a colourless, odorless, highly alkaline fluid of low viscosity, pH = 8- 8.4. Alkalinity is because of HCO3–. The important components of pancreatic juice are i. H2Oii. Cations: Na+, K+, Mg++, Ca++iii. Anions: HCO3–, Cl–, SO42–, HOP43–iv . Enzymes a) trypsinogen, b) chymotrypsinogen, c) carboxypeptidase, …

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Solution Composition of Gatric juice in Human i) Hydrochloric acid (HCl )ii) Pepsinogeniii) Gastric lipaseiv) Amylasev) mucus

Solution HCl in the stomach :- Hydrochloric acid is referred to as HCl.Different gastric juices are secreted by the gastric glands during digestion.Gastric glands also secrete hydrochloric acid in addition to these gastric juices.Hydrochloric acid is secreted during digestion as a result of parietal cells being activated. Role of HCl in Stomach :- i) The …

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Solution The Liver and Its Functions The liver is the body’s largest solid organ. It performs hundreds of other crucial tasks, such as clearing toxins from the blood supply, regulating blood clotting, and preserving healthy blood sugar levels. It is in the right upper abdomen, below the rib cage. Structure of liver Functions of the …

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Nutrition in Human Beings The alimentary canal is a long tube extending from the mouth to the anus. we can see that the tube has different parts. Various regions are specialised to perform different functions. What happens to the food once it enters our body? We shall discuss this process here. We eat various types …

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Dental caries Dental caries or tooth decay causes the gradual softening of enamel and dentine. It begins when bacteria acting on sugars produce acids that soften or demineralises the enamel.Masses of bacterial cells together with food particles stick to the teeth to form dental plaque. Saliva cannot reach the tooth surface to neutralise the acid …

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Heterotrophic Nutrition Biology’s branch of nutrition studies how people consume food, get access to it, and use other strategies to meet their needs for minerals and other nutrients. Every aspect of how living things use their energy is addressed by nutrition. Heterotrophic nutrition and Autotrophic nutrition are the two main categories of nutrition. In the …

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Heterotrophic Nutrition Each organism is adapted to its environment. The form of nutrition differs depending on the type and availability of food material as well as how it is obtained by the organism. For example, whether the food source is stationary (such as grass) or mobile (such as a deer), would allow for differences in …

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Activity i) Take a potted plant with variegated leaves – for example, money plant or crotons.ii) Keep the plant in a dark room for three days so that all the starch gets used up.iii) Now keep the plant in sunlight for about six hours.iv) Pluck a leaf from the plant. Mark the green areas in …

Activity – To show that chlorophyll is essential for photosynthesis. Read More »