25 !
a pathogen that enters the respiratory track would have to get past which of the following respiratory defenses before being able to infect the bloodstream?

a. cilia and red blood cells
b. cilia and white blood cells
c. flagella and white blood cells
d. flagella and red blood cells

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.

What do you generally see in a family when both parents are working?

What are some physical consequences of drunkenness?