You may see something that is not directed towards you at all or is just not there, he may be generally a nervous person or shy, he may know something about you, you may scare him or even may find you appealing. I wouldn't read too much into it or take it too seriously as chances are it has nothing to do with you.
Nervous; agitated.
The neurons in both systems work together to help you think, survive, and change the world around you. The nervous system also senses activity inside of your body!
it all work together the nervous system works with every single system
there aren't 2 divisions of the nervous system. (:
The nervous system work very closelly to the endocrine system (hormones).
Well that depends. If you are referring to the eye on a whole, then the answer is no, the eye is considered part of the optical system. But if you mean "is any part of the eye consider to be part of the nervous system?", then the answer is yes, the optical nerve situated at the back of the retina, is part of the nervous system
because most systems work hand in hand with the nervous system.
yes
yeah
Nervousness is only a state of mind, meaning even when you feel nervous you don't look nervous. So, just go and be yourself and if it does not work out, she's not for you and life goes on. Just give yourself time to build up confidence and calm yourself. Everyone goes at their own pace, and it's natural to be nervous around people you like.
the nervous, respiratory, circulatory,
How does body system works