[Changes in pulse in children of the 1st and 5th grade of elementary schools during class].
D000367:Age Factors; D002648:Child; D006339:Heart Rate; D006801:Humans; D007858:Learning / Q000502:physiology*; D008297:Male; D005222:Mental Fatigue
Zmiany czestości tetna u uczniów klas I i V w czasie lekcji