Respiration is a series of reactions in which energy is released from glucose glucose: A simple sugar made by the body from food, which is used by cells to make energy in respiration. Aerobic respiration is the form of respiration which uses oxygen. It can be summarised by this equation:
perturbation in Science. A small change in a physical system, most often in a physical system at equilibrium that is disturbed from the outside. Variation in a designated orbit, as of a planet, that results from the influence of one or more external bodies.
To perturb is to bug or bother someone by confusing them or throwing them off balance. You can try, but it's almost impossible to perturb the guards outside Buckingham Palace. If you're having trouble getting used to the word perturb, you're in luck! It's similar in meaning to the verb disturb.. That's right, to perturb is to disturb, but in a way that suggests you're throwing it off its usual path or routine. The movie Born Free truly perturbed widespread views about animalsâpeople suddenly started seeing them as individuals.