AEROBIC vs ANAEROBIC What does the word aerobic mean in biology? In biology, aerobes are organisms that exist in the presence of oxygen. On the other hand, anaerobes are organisms that exist in the absence of oxygen, e.g. some bacteria. In physiology the energy process lasting less than one and a half minutes develops anaerobically, i.e. oxygen is not utilised for the production of energy. The energy process lasting longer than one and a half minutes develops aerobically, i.e. oxygen is utilised for the production of energy. The energy systems in our bodies therefore are the aerobic energy system and the anaerobic energy system. The latter is further divided into lactic anaerobic system (meaning that lactic acid is produced), and alactic anaerobic system (meaning that lactic acid is not produced). In kinesiology, the science of human movement, the meaning of the term aerobic is connected with such notions as aerobic capacity or aerobic exercise. According to Mosby's Medical Dictionary (2009), aerobic capacity (VO2max) (also: maximal oxygen uptake, maximal oxygen consumption, aerobic power) refers to “the maximal amount of physiological work that an individual can do as measured by oxygen consumption”. As for the term aerobic exercise, kinesiology is interested in the effects that physical exercise has on a human organism. Hence, aerobic exercise designates such exercise that affects (conditions) the cardiorespiratory system, and burns fat. To be able to affect the cardiorespiratory system and to burn fat, the exercise must be of the duration that makes the realisation of these two goals possible – we must exercise for at least 30 minutes (which means that, provided we exercise without interrupting our workout, our organism utilises oxygen for energy production) at least three times a week. During aerobic exercise our bodies use oxygen to burn fuel, thus supplying energy to the muscles. The intensity of oxygen consumption in which aerobic metabolism is accelerated is termed the aerobic threshold, whereas that intensity of oxygen consumption, or of workload, in which anaerobic metabolism is accelerated is referred to as anaerobic threshold. References aerobic capacity. (n.d.) Mosby's Medical Dictionary, 8th edition. (2009). Retrieved April 23 2017 from http://medical-dictionary.thefreedictionary.com/aerobic+capacity Harper, D. (2017). Online etymology dictionary. Air. Retrieved April 23, 2017 from http://www.etymonline.com/index.php?allowed_in_frame=0&search=air “c. 1300, "invisible gases that surround the earth," from Old French air "atmosphere, breeze, weather" (12c.), from Latin aer "air, lower atmosphere, sky," from Greek aer (genitive aeros) "mist, haze, clouds," later "atmosphere" (related to aenai "to blow, breathe")” Greek/Latin aer = air; Greek bios = life > life with air >> AEROBIC = WITH OXYGEN a- = there is no; without; lacking A + AEROBIC >> ANAEROBIC = WITHOUT OXYGEN VOCABULARY absence accelerate aerobic capacity aerobic power affect burn condition designate fat fuel lactic acid maximal oxygen uptake notion oxygen consumption oxygen uptake presence supply threshold utilise workload workout odsutnost glagol ubrzati (also: maximal oxygen uptake, maximal oxygen consumption, aerobic power) aerobni kapacitet (also: aerobic capacity, maximal oxygen consumption) aerobna izdržljivost glagol utjecati (na) glagol sagorijevati glagol utjecati (na), kondicionirati glagol koristiti mast, masnoća izvor energije mlječna kiselina (also: aerobic capacity, maximal oxygen consumption, aerobic power) maksimalni primitak kisika pojam (also: oxygen uptake) potrošnja kisika (also: oxygen consumption) primitak kisika prisutnost glagol priskrbiti, pribaviti prag glagol koristiti opterećenje, radno opterećenje trening
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