Essay Database

… are plant and animal species that are in danger of extinction, the dying off of all individuals of a species. Over 19,000 plant species and 5000 animal species around the globe are classified as endangered, and many thousands more become extinct…

… Mellitus is a pancreatic disease in which the pancreas produces little or no insulin. Insulin is a hormone that helps the body’s tissues absorb glucose (sugar) so it can be used as source of energy. Insulin is secreted by the beta cells of the…

… most, if not all of the other major systems of the body. It is responsible for production of hormones and the regulation of them as well. These hormones act as chemical messengers within the body. Through several differing mechanisms, they are able…

… articles have suggested that humans may be at risk because small amounts of well known environmental contaminants, such as dioxin, PCBs and DDT, can affect hormone levels. Hormones are produced by the endocrine system as regulators of biological function…

… origin of life and how it evolved into the various forms known today. These ideas come from the evidence of the fossil record, from laboratory simulations of conditions on the earth, and from consideration of the structure and function of cells. The…

… natural rainforests are one of humanity's only remaining hopes to continue its existence. Rainforests are vast forests filled with lush vegetation, teeming with life (both animal and plant), of which only about 40 percent has been completely discovered…

… the involuntary discharge of urine beyond the age when a child is old enough to be able to control urination (usually considered to be six years of age for nighttime control), or more commonly, bedwetting. There are several types…

… that has for so long been our gracious host is suffering from the apathy and wreckless consumption of natural resources. Awareness is the gravest of concerns. Ignorance is not a bliss, for we must become aware of the problems that endanger our environme…

… factors in the aetiology of schizophrenia. Graeme Gordon ...poor Ophelia,…

… a terrible condition and although an environmental apocalypse is not imminent we are definitely headed down that road. Some of the reasons for our Earth’s trouble are overpopulation, consumerism, and overconsumption. The earth’s population is ever…