FACTOR AFFECTING PHOTOSYNTHESIS

Many external and internal factors affect the rate of photosynthesis. Some external factors are light, CO2, temperature, water, leaf anatomy and oxygen while internal factors are chlorophyll content and protoplasmic factor. Importance of factors can be demonstrated with the help of experiments. Read More >>

SITE OF PHOTOSYNTHESIS

All plants are involved in photosynthesis process.The photosynthesis occur in mesophyll cells of leaves. Chloroplast is the main site where the process of photosynthesis completes by the use of inorganic compounds like Carbon-dioxide and water. Read More >>

PHOTOSYNTHESIS AS A MEANS OF AUTOTROPHIC NUTRITION

Photosynthesis is a process of formation of glucose from simple inorganic substances like CO2 and H2O. There are two types of photosynthetic reaction found in nature; Dark Reaction and Light reaction. Read More >>

EGESTION

Egestion is the act of discharging undigested or waste material from an organism specifically. It is carried out by lower part of the intestine, rectum. Read More >>

GASTROINTESTINAL HORMONE

Gastrointestinal hormones are chemical messenger that regulate the physiological functions. Gastrointestinal hormone includes gastrin, secretin, motilin, GIP, ghrelin, VIP, BBS. Read More >>

CALORIFIC VALUE OF CARBOHYDRATE, PROTEIN AND FAT

The energy value of a food indicates how much energy the human body can gain through metabolism. The energy value specified in KJ/100gm. Read More >>

DIGESTION, ABSORPTION AND ASSIMILATION OF PROTEIN

Protein is a large biomolecule that is digested by HCl, pepsin, trypsin and chymotrypsin. Later protein is absorbed by small intestine and remaining parts are excrete out in the form of faeces. Read More >>

PERISTALSIS

Peristalsis is an involuntary movements of the circular and longitudinal muscles to push the food into the stomach. This is done by peristaltic waves which are generated to pass the food. Read More >>

DIGESTIVE GLANDS

Food is an important source for human- beings to derive nutritional energy. Digestive glands of the alimentary canal secrete different enzymes and aids in the process of digestion. Read More >>

HUMAN ALIMENATARY CANAL

Alimentary is a long hollow tube in humans which runs from mouth to anus. Different layers line the alimentary canal.It involves mechanical and chemical breakdown of food. Read More >>

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