Nasal speculum

to assess the ear during,ear examination..

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

Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

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