Nasal speculum

to assess the ear during,ear examination..

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

Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..

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

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

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