After testing the research that the water was full of like petroleum byproducts. pollutants pollution particulates particles

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

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.