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Constructive margins occur when two plates with the same density (continental or oceanic) move away from eachother, which causes magma from the mantle to rise to the surface. This creates new crust and, w...

Unlike unmyelinated axons, myelinated axons are surrounded by an insulatory myelin sheath produced by Schwann cells. Because of this insulatory sheath, action potentials cannot occur along the entire leng...

The difference between ethical naturalism and non-naturalism is a difference between the definiton of a moral fact. Ethical naturalism purports to explain ethical langague in terms of fact-stating semanti...

Follicle stimulating hormone (FSH) secreted from the pituitary gland stimulates egg maturation and oestrogen secretion from the ovaries. Oestrogen in turn inhibits FSH release and stimulates luteinising h...

Vaccination involves administering a dead or inactive form of a pathogen to a subject, which stimulates white blood cells into producing antibodies specific for that pathogen. If the subject encounters th...