When doing flexibility exercises:
tension should be felt
there should be no discomfort
discomfort should be mild
when mild discomfort is reached, the stretch is increased by bouncing
i'm sure it's either a or c

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

22. which situation describes the appropriate use of drugs? a.using your friend’s prescription drug according to label instructions b.using an over-the-counter drug according to your friend’s instructions c.using an over-the-counter drug according to label instructions d.using your friend’s prescription drug according to your friend’s instructions

Which term means the microscopic study of the structure, composition, and function of tissues?