Scrotitis

scrotitis inflammation of the scrotum...

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

Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..

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

ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

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