What causes exhalation?
a. a signal from the medulla to the mouth and nose
b. a signal from the alveoli to the medulla
c. a signal from the diaphragm to the medulla
d. a signal from the medulla to the lungs

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

Some infants in poorer households are not fed this important food for all babies. what is it? a. baby food b. breast milk or infant formula c. water. d. all of the choices are correct

Match the limiting factor with the correct definition. 1. learning about the benefits of exercise location/access 2. problem that can be solved by choosing free activities understanding 3. living close to a park motivation 4. how you were raised money 5. how you feel about yourself and your ability to exercise family behaviors