10 Biological research apparatus, namely animal laboratory testing and analysis apparatus, namely behavior motor coordination testing devices and apparatus for lab animals, namely hole boards, grip strength meters for rodents, activity cages for lab animals, feeding analyzer for lab animals, metabolic lab animal cages, automatic lab animal reflex conditioners, set-up apparatus for lab animal passive avoidance testing; data acquisition and blood pressure recording devices and apparatus for lab animals, namely lesion making devices, ECT devices, blood pressure recorders, rodent heaters, and rat scanners; inflammation nociceptive stimulation testing apparatus for lab animals, namely plantar testing devices, plethysmometers, analgesy meters, hot plates, tail flick sensing and testing apparatus, and plantar von frey testing devices; ventilators and bronchodynamics apparatus for lab animals, namely ventilators for dogs, cats, rabbits, rats, mice, and bronchospasm transducers; in-vitro essays recorders and transducer stimulators for lab animals, namely superfusion systems, multiplexing pulse boosters, isolated organ baths, high-sensitivity and isotonic transducers, single and multi-channel test result recording devices; and decapitator for lab animals