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Classification of Food - Continued
>The fats present in our food cannot be absorbed by our body as such because they are complex organic molecules which are insoluble in water. During the process of digestion, by the action of an enzyme called lipase, secreted by the pancreas, fats are broken down into simpler su..
Types of Heterotrophic Nutrition - Saprophytic
The food is digested outside the cells or even the body of the organism - extracellular digestion. The organism secretes digestive juices that contain enzymes directly on to the food..
Types of Heterotrophic Nutrition - Saprophytic
'Sapros' refers to rotten and 'trophic' refers to food. Saprotrophic nutrition is the process by which the organisms feed on dead and decaying matter. The food is digested outside the cells or even the body of the organism - extracellular digestion. The organism secretes digest..
Digestion
Breaking down food into simpler forms is called digestion. Digestion is both mechanical and chemical . In mechanical digestion, food is physically broken down into smaller particles by processes such as chewing. Chemical digestion makes use of certain chemicals called ..
Mechanism of digestion
Digestion starts at the mouth with the mandibles and the maxillae chewing the food. It is also acted upon by enzymes of salivary juice, the salivary carbohydrases which partially digest the food. The food is then swallowed with the help of lubrication prov..
Types of Heterotrophic Nutrition - Saprophytic
Types of Heterotrophic Nutrition - Saprophytic - 'Sapros' refers to rotten and 'trophic' refers to food. Saprotrophic nutrition is the process by which the organisms feed on dead and decaying matter. The food is digested outside the cells or even the body of the organism - extra..
Digestion
Digestion is defined as the process by which complex food molecules are broken down into simpler molecules, so that they can be absorbed by the body. Digestion is mechanical and chemical . In mechanical digestion, food is physically broken down into smaller particles by proc..
Question 2
Question: How does food yield energy? Answer: Food is broken down with the help of various enzymes in the cells. This liberates energ..
mechanical
Digestion - breaking down food into simpler forms. Digestion is both and chemical . The digestion may take place outside cells ( extracellular ) or within the cells ( intracellular ). Absorption - Taking in of food in the soluble forms into the tissues. The absorption may ..
Summary
Our body is made up of tissues, which are all composed of chemicals. We need an adequate supply of chemicals in the form of food, vitamins, hormones, and enzymes, which are in turn chemicals. For taking care of our health we need medicines. We find that chemicals and chemistry p..
Result
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