Intravenous

Intravenous within a vein or veins...

This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..

The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..

Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..

This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..

Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

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