In addition to its main function, the digestive system also
a. the body maintain fluids
b. the body regulate immune responses
c. both a and b
d. neither a nor b

Which action is an appropiate immediate response to a flood? a. removing wet clothing b.marking flooodwater levels c.avoding crossing flowing water d.walking, no driving, through water

In a search a driver needs to look in a of distances far away to near, as well as to the left, right and rear of the vehicle, making efficient use of both central and fringe vision. a) fast manner b) systematic manner c) slow manner d) aggressive

Define and describe the different types of risk factors