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A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

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Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

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This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

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Sugar Homeostasis

The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..

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Growth and Development of a Human Baby

Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

Freshwater Ecology
Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..