Respuesta :
Answer:
The skin produces sweat and oil.
*the skin acts as a barrier*
Explanation:
The skin does not identify and coordinate a response, that would be the immune system. The skin doesn't make mucus, the nose does that. The skin also does not make antibodies, the immune system does that.
Answer:
A.) The skin produces sweat and oil.
B.) The skin acts as a barrier.