Tag: Define

Body Fluids and Circulation / Class 7 / Class 7 - Science - Heat

Class 7 science -Chapter 4 – Heat – Definition and Explanation of Important Keywords

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Class 7 Science – Chapter 4 Heat: Definition and Explanation of Important Keywords”
In this chapter, we explore crucial heat-related terms like “Celsius scale,” which measures temperature, and “conduction,” the process of heat transfer in solids. “Convection” explains heat flow in fluids, while “radiation” details heat transfer without a medium. Understanding these terms is essential for grasping the science of heat.

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Class 7 / class 7 science chapter 2 - Nutrition in Animals

Class 7 science -Chapter 2 – Nutrition in Animals – Definition and Explanation of Important Keywords

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Absorption- Definition- Absorption is the process by which digested food materials are taken up into the bloodstream from the walls of the small intestine for distribution to various body organs. …

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Nutrition in Plants Class 7 explained
Chapter 1 - Nutrition in Plants / Class 7 / Notes / Notes / Notes / Science / Uncategorized

Chapter 1- Nutrition in Plants -Class 7 – Detailed Notes

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Nutrition in plants encompasses various processes, including photosynthesis, where chlorophyll in leaves captures sunlight to convert carbon dioxide and water into glucose and oxygen. Stomata, tiny openings on leaves, facilitate gas exchange. Other modes of nutrition include parasitic plants, insectivorous plants that capture and digest prey, and saprotrophic nutrition involving decomposers. Symbiotic relationships, like with Rhizobium bacteria, aid nutrient replenishment in the soil.

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Biology / Biology Concepts / Chapter 6 Life Processes - Class 10 / Class 10 / Class 11 / Class 12 / NEET Biology / nutrition / Science / Science Facts

The Pancreas – Structure, Function and Hormonal Secretions

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The pancreas is a glandular organ located in the abdominal cavity. It has a complex structure consisting of various parts, including the head, body, and tail. Functionally, the pancreas plays a crucial role in both the digestive and endocrine systems. It produces and secretes digestive enzymes and juices, essential for the breakdown and absorption of nutrients. Additionally, the pancreas secretes important hormones like insulin and glucagon, which regulate blood sugar levels. The pancreatic structure, function, and hormonal secretions are vital for maintaining overall health and metabolic balance.

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Biology / Chapter 6 Life Processes - Class 10 / Class 10 / Class 11 / Class 12 / nutrition / Science

Liver – Structure, Functions, Disorders, Regeneration

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The liver, a vital organ known for its remarkable structure and function, comprises four lobes: right, left, caudate, and quadrate. It is supported by the falciform ligament and surrounded by Glisson’s capsule. The liver’s crucial components include the common hepatic duct, hepatic artery, hepatic portal vein, lobes, lobules, and the protective peritoneum. Its intricate structure enables it to perform vital functions in the body.

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Chemosynthesis - Definition, Process, Equation, Chemosynthetic bacteria  , types , examples
Biology / Biology Concepts / Chapter 6 Life Processes - Class 10 / Class 10 / nutrition / Science Facts / Uncategorized

Chemosynthesis – Definition, Process, Equation, Chemosynthetic bacteria  , types , examples

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Chemosynthesis is a process where chemosynthetic bacteria convert inorganic compounds into energy-rich organic compounds. It occurs in environments lacking sunlight. The equation for chemosynthesis is carbon dioxide + water + inorganic compounds → organic compounds + sulphur compounds. Chemosynthetic bacteria, like sulphur bacteria, iron bacteria, and nitrifying bacteria, are examples of organisms that carry out chemosynthesis. Chemosynthesis differs from photosynthesis in energy sources and reactions.

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Biology / Class 10 / Class 11 / Class 9 / nutrition / Science / The Fundamental Unit Of Life -Chapter 5 / Uncategorized

Chloroplast – Definition, Structure, Distribution, function and Diagram

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Chloroplasts, found in plant cells, are defined as organelles that contain chlorophyll. They have a complex structure with outer and inner membranes, stroma, thylakoid membranes and grana. Functionally, chloroplasts play a key role in photosynthesis. They convert light energy into chemical energy, produce ATP and oxygen and fixing carbon dioxide. The diagrams illustrate the structure and functions of chloroplasts in plant metabolism.

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Salivary Glands - Definition, Types, Location, Size, Ducts, Diagram, Characteristics, Secretion, Structure and Function
Biology / Biology Concepts / Chapter 6 Life Processes - Class 10 / Class 10 / NEET Biology / Notes / nutrition / Science / Science Facts

Salivary Glands – Definition, Types, Location, Size, Ducts, Diagram, Characteristics, Secretion, Structure and Function

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Salivary glands are exocrine glands responsible for saliva secretion. They have acinar cells for saliva synthesis and ductal cells for transport. Myoepithelial cells aid saliva movement. Major glands include parotid (largest), submandibular, and sublingual (smallest). Ducts are Stensen’s (parotid), Wharton’s (submandibular), and multiple (sublingual). Saliva lubricates, digests, and protects. Understanding their structure and function is vital.

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Gastric Glands - Location , Structure, Types, Secretion and Functions
Biology / Biology Concepts / Chapter 6 Life Processes - Class 10 / Class 10 / NEET Biology / nutrition / Science Facts

Gastric Glands – Location , Structure, Types, Secretion and Functions

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Gastric glands, present in the stomach lining, play an important role in digestion. Structurally, they are made up of different cell types, including parietal, chief, and mucous cells. These glands secrete gastric juice, which consists of hydrochloric acid, pepsinogen and mucus. The secretions help break down food, sterilisation of ingested pathogens and absorb essential nutrients, thus fulfilling important functions in the digestive process

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peristalsis / perstaltic movement
Biology / Biology Concepts / Class 10 / Class 7 / NEET Biology / Notes / nutrition / Science Facts

Peristalsis-  The Rhythmic Journey Through Your Body

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Peristalsis is a vital biological process that facilitates the movement of food through the digestive system. It involves rhythmic contractions of smooth muscles, creating a wave-like motion known as peristaltic waves. These waves propel food through the digestive tract and ensure efficient digestion and absorption of nutrients. Peristaltic movements are coordinated by the enteric nervous system and provide the motility necessary for proper gastrointestinal function.

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