If a researcher wanted to find someone's rate of respiration what would they measure?
a. heart rate
b. lung capacity
c. body temperature
d. oxygen consumption which structure branches further into alveoli?
a. nasal cavity
b. epiglottis
c. bronchiole
d. laryngopharynx

Which of the following  bestillustrates a negative reinforcer?               a.  copland gives up candy to stave off chronic acid indigestion.    b.  nancy learns that she prefers chocolate over vanilla.    c.  carmine changes his major to english lit after failing a math exam.    d.  on a hot day, lindberg always drinks lemonade.