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Wednesday, 13 January 2016

Nutrition And Digestion In Amoeba

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Nutrition In Amoeba . Amoeba is an omnivorous i.e. it feeds on smaller animals , plants  micro organisms and Fragments of larger organisms. It is microscopic single celled organism found in pond water, Amoeba has a cell membrane , a rounded Dense nucleus and many small bubble like vacuoles in its cytoplasm.  In amoeba nutrition is holozoic. Ingestion can take at any place on the surface since regular mouth is absent. Ingestion occurs...

Posted By Gaurav Thakur21:47

Human Eye - Principal, Construction And Working

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Human eye is the most remarkable and most delicate optical instrument. Principal. Its principal is simmilar to a photographic camera , it is far most delicate and perfect than the finest camera ever designed by human being ingenuity Structure of human eye. The human eye consist of nearly spherical ball of about 2.5cm diameter. Its outermost coating is made of a  tough and opaque white substance known as SCLEROTIC. Sclerotic prevents the...

Posted By Gaurav Thakur18:04

Human Alimentary Canal With diagram

Mammalian (Human) alimentary Canal comprises mouth, buccal cavity, pharynx, oesophagus, stomach, small intestine(duodenum, jejunum and ileum), Large intestine (caecum, Colon and rectum) and anus Human Alimentary Canal Mouth is bounded by Two Lips open into oral cavity. Buccal cavity contains teeth and tounge, and receives saliva from 3 pairs of salivary gland (parotid, submaxilary, sublingual, ) Teeth are meant for cutting and mastication of...

Posted By Gaurav Thakur07:27