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31endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
32agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
33Nutrition — The Nutrition Facts table indicates the amounts of nutrients which experts recommend to limit or consume in adequate amounts. Nutrition (also called nourishment or aliment) is the provision, to cells and organisms, of the materials necessary (in… …
34Antioxidant — Model of the antioxidant metabolite glutathione. The yellow sphere is the redox active sulfur atom that provides antioxidant activity, while the red, blue, white, and dark grey spheres represent oxygen, nitrogen, hydrogen, and carbon atoms,… …
35Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
36Choline — The N,N,N trimethylethanolammonium cation, with an undefined counteranion, X− Choline is a water soluble essential nutrient.[1][ …
37Fructose — D Fructose …
38human aging — ▪ physiology and sociology Introduction physiological changes that take place in the human body leading to senescence, the decline of biological functions and of the ability to adapt to metabolic stress. In humans the physiological… …
39human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
40gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
