I always wanted to know what that meant but no websites can really give me the answer. vip_hp has chosen the best answer to their question. View answer.
A respirometer is a device which is used to measure respiration, where organisms exchange carbon dioxide and oxygen as part of their metabolism.
A potentiometer /pÉµËtÉnÊiËÉmÉ¨tÉr/ , informally a pot, is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.