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A phobia is a type of anxiety disorder, defined by a persistent fear of an object or situation. The

SubcategoriesThis category has the following 11 subcategories, out of 11 total.- Angiosperm families

Metabolism (from Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical transfor

Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of

Biological processes are the processes vital for a living organism to live. Biological processes are

A houseplant is a plant that is grown indoors in places such as residences and offices. Houseplants

A perennial plant or simply perennial is a plant that lives for more than two years. The term (per-

This is a list of woods, in particular those most commonly used in the timber and lumber trade Suppo

Fluid mechanics is a branch of physics concerned with the mechanics of fluids (liquids, gases, and p

The brain is an organ that serves as the center of the nervous system in all vertebrate and most inv