shahzaibad in #atherosclerosis • 3 days agoATHEROSCLEROSIS AND ARTERIOSCLEROSISATHEROSCLEROSIS AND ARTERIOSCLEROSIS Atherosclerosis and arteriosclerosis are the diseases of arteries. These diseases also lead to heart diseases. Atherosclerosis is commonly…shahzaibad in #cardiovascular • 8 days agoCARDIOVASCULAR DISORDERSCARDIOVASCULAR DISORDERS The diseases that involve the heart or blood vessels are collectively called cardiovascular disorders. These diseases have similar causes, mechanism…shahzaibad in #hive-140084 • 10 days agoVenous SystemVenous System Veins from lungs called pulmonary veins return the oxygenated blood to the left atrium of heart. Two major veins superior vena cave and inferior vena…shahzaibad in #hive-140084 • 16 days agoGENERAL PLAN OF HUMAN BLOOD CIRCULATORY SYSTEMGENERAL PLAN OF HUMAN BLOOD CIRCULATORY SYSTEM Many scientist worked for discovering the fact about the circulation of blood in human bod. Two important scientist who…shahzaibad in #experiment • last monthExperiment to show capillary flow in the tail or fins of a fishPractical Work: Experiment to show capillary flow in the tail or fins of a fish Capillaries are the smallest blood vessel which are formed by the divisions of arterioles.…shahzaibad in #experiment • last monthDemonstration of PhotosynthesisPractical Work: Demonstration of Photosynthesis The phenomenon pf photosynthesis can be demonstrated by using an aquatic plant like Hydrilla. You know that in the…shahzaibad in #hive-140084 • 2 months agoROLE OF CHLOROPHYLL AND LIGHTROLE OF CHLOROPHYLL AND LIGHT Sunlight energy is absorbed by chlorophyll. It is then converted into chemical energy which drives the photosynthesis process. Only about one…shahzaibad in #hive-140084 • 2 months agoDARK REACTION (CALVIN CYCLE)DARK REACTION (CALVIN CYCLE) The details of dark reaction were discovered by Malvin Calvin and his colleagues at the University of California. The klsummary of the events…shahzaibad in #hive-140084 • 2 months agoLIGHT REACTIONSLIGHT REACTIONS The summer of the events of light reaction is as follows; When chlorophyll molecules absorb light their energy level in increases and their electrons are…shahzaibad in #mechanbim • 2 months agoMECHANISM OF PHOTOSYNTHESISMECHANISM OF PHOTOSYNTHESIS Photosynthesis occurs in two phases. During first phase light energy is captured and is used to make high-energy molecules (ATP and NADPH). These…shahzaibad in #hive-140084 • 2 months agoSIGNIFICATION OF MITOSISSIGNIFICATION OF MITOSIS Importance of mitosis is the maintenance of chromosomal set each daughter cell receives chromosomes that are alike in composition and equal in number…shahzaibad in #hive-140084 • 2 months agoInvestigation of the transpiration in potted plantPractical Work Investigation of the transpiration in potted plant Problem: Explain the occurrence of transpiration. Apparatus required: A potted plant, 2 bell -jars…shahzaibad in #hive-140084 • 2 months agoCONSERVATION OF BIODIVERSITYCONSERVATION OF BIODIVERSITY During the last century loss of biodiversity has been increasingly observed. In the modern era, due to human action species and ecosystem are…shahzaibad in #pharynx • 2 months agoPharynx and Oesophagus-Swallowing and PeristalsisPharynx and Oesophagus-Swallowing and Peristalsis During swallowing bolus is pushed to the back of mouth by tongue. When tongue pushes bolus the soft palate also move upward…shahzaibad in #hive-140084 • 3 months agoORAL CAVITY- SELECTION, GRINDING PARTICLE DIGESTIONORAL CAVITY- SELECTION, GRINDING PARTICLE DIGESTION Oral cavity is the space behind mouth and has many important function in the whole process of digestion. Food selection…shahzaibad in #stomach • 3 months agoSTOMACH-DIGESTION CHURNING AND MELTINGSTOMACH-DIGESTION CHURNING AND MELTING Stomach is a dilated part of alimentary canal. It is J-shaped located in the left of abdomen just beneath diaphragm. Stomach has two…shahzaibad in #hive-140084 • 3 months agoPLASTIDSPLASTIDS Plastid are also membrane-bound organelles that only occur in the cell of plants and photosynthetic protists (algae). They are of three types. Chloroplasts…shahzaibad in #hive-140084 • 3 months agoBURNING OF FOSSIL FUELSBURNING OF FOSSIL FUELS When fossil fuel are burnt to run vehicles and industries, they emit many greenhouse gases like carbon oxide which cause global warming. The burning of…shahzaibad in #electric • 3 months agoELECTRICAL POWERElectrical power Electrical devices such as electric fans, blenders,hair dryers, computer , washing machines, electric heaters, refrigerators convert electrical energy into…shahzaibad in #hive-140084 • 3 months agoFOOD PRODUCTION AND PRESERVATIONFOOD PRODUCTION AND PRESERVATION Use of better quality genes in the animal is producing high yields of milk and meat. You need to know * Vitamin B12, widely used as in…
