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Materias / palabras clave: Physical education and training; Education, Primary; Exercise; Physiological aspects; Educación física; Enseñanza primaria

Materias / palabras clave: Biomechanics; Sports; Physiological aspects; Deporte; Fisiología

Materias / palabras clave: Spermatozoa; Motility; Lead; Physiological effect; Mamífero; Fisiología

At high concentrations, free radicals and radical-derived, nonradical reactive species are hazardous for living organisms and damage all major cellular constituents. At moderate concentrations, however, nitric oxide (NO)...

The physiological and molecular mechanisms of tolerance to osmotic and ionic components of salinity stress are reviewed at the cellular, organ, and whole-plant level. Plant growth responds to salinity in two phases: a ra...

The newly inaugurated Research Resource for Complex Physiologic Signals, which was created under the auspices of the National Center for Research Resources of the National Institutes of Health, is intended to stimulate c...