Cnidaria (/naÉªËdÉÉriÉ/[4]) is a phylum containing over 10,000[5] species of animals found exclusively in aquatic (freshwater and marine) environments: they are predominantly marine species. Their distinguishing feature is cnidocytes, specialized cells that they use mainly for capturing prey.
Exercise Science is a multifaceted field of study in which movement or physical activity is the intellectual focus. This includes exercise of improvement of health and physical fitness and activities of daily living, work, sport, and play.
Exercise physiology, a relatively new field for clinical study, helps to answer these questions. Exercise physiology encompasses aspects of pulmonary, cardiac, and sports medicine, plus cellular metabolism and biochemistry. This chapter will concentrate on exercise physiology in the diagnosis of cardiopulmonary disease.