CLASSE III A
sistema nervoso https://www.youtube.com/watch?v=xPpP0-kTBPA
vista https://www.youtube.com/watch?v=eP0m1He7hk8
olfatto https://www.youtube.com/watch?v=lXX7tPq2tKY&list=PL9B0CE44B90BC8E46&index=62
gusto https://www.youtube.com/watch?v=0DdasTYp8b4
udito https://www.youtube.com/watch?v=ATSQEWt6weA