title: Relationship of physiological strain to change in heart rate during work in the heat.
mesh_terms: D001827:Body Height; D001833:Body Temperature Regulation; D001835:Body Weight; D006321:Heart / Q000502:physiology; D006339:Heart Rate; D006358:Hot Temperature; D006801:Humans; D010100:Oxygen / Q000032:analysis; D010101:Oxygen Consumption; D005082:Physical Exertion; D013696:Temperature
chemical_list: D010100:Oxygen