Answer:
B. Surface of the skin
Explanation:
If we had mucous on the surface of our skin then our skin would have a thick slippery fluid like substance on it all of the time. Mucuos membranes are present in the digestive tract, mouth, lungs, and more.
Elbow is to wrist
hope this helped u
Eat healthy and do stretches. The best thing a 12 year old to do. You're too young to do anything super serious imo
