They will start to get very mushy, but they will stay at room temperature.
Answer:
To moisten and to protect the airway from stuff like unknown pathogens and infection
Explanation:
The Trachea also known as the windpipe has tons of 'little hairs' called cilia in the epithelium that protect the throat. When someone smokes or breathes in gases it is destroyed and exposes the trachea. But thats another story. :)
Answer:
Advanced,
Decomposers, producers, consumers
Skin
Explanation:
Decomposers are primary energy source by decomposing matter, this energy is released to the soil for plants absorb it to manufacture their food through photosynthesis and these food are consumed by man who gains energy in the process.
Higher layers should have more complex features than lower layers.
Is it multiple choice? I believe it's brain, but I could be wrong.