<h3>One of the important things you can do for preventing the common cold is to wash your hands frequently, especially during spring and winter when the virus affects more people.</h3>
Answer: first line of defense
Explanation:
Id say it would be all of the above. if you think about it our bodies mentally and physically need to rest so they can be "charged" and ready for theday. if you dont sleep you will be drowsy and not to be able to focus on any of the options
The muscles of the ventricles depolorize.
I would love to help you, but we are blocked by a computer screen :) :-p