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.
Cheryl needs to be more cautious on the things she is eating. Nutritious is a important part, and especially protein, which comes in meat.
By balancing this vegetarian diet, and consulting doctors, it could be healthy, yes. But the way she is addressing it, no it is not healthy.
Carbon,hydrogen, & oxygen
