it means that he likes you very much but he is afraid of talking to you in public because he might be afraid that his friends will tease him or it will spread to the whole school
no it doesnt change anything it actually sends quite fast
the organ
your nervous system sends messages to your brain
The brain.
messenger neurons
nerves
Neuron
It sends messages to your brain.
Microwaves
Service network
Brain :)
Olfactory Nerve