A young girl gets caught in a heavy spring downpour. Why doesn’t her skin get soggy? Because she sweats it out.
Because her serous membranes are already wet.

Because her cutaneous membranes make her skin waterproof.

Because her synovial membranes already filled her body with fluid.

i believe B but dont take my word im not very smart

Explanation:

good luck tho!

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.