2 hours . hope it helped :)
Your mouth, nose, throat, sinuses and lungs are lined with mucus membranes. These membranes contain mucus glands that produce - surprise - mucus. Mucus-producing membranes line specific passages in your body, like the respiratory and digestive tracts, for protection and support.
Answer:
b) They are the neuron’s receivers; they carry the impulses toward the cell body, and most neurons contain many of them.
Explanation:
I believe the muscle contracts
