Don't give out personal information (name, phone number, passwords, etc), never meet up with anyone, don't download anything suspicious, don't open emails or attachments from strangers, and don't show your face.
Begin a whole foods diet to show how it makes a difference in energy levels and vital signs. By eating better your personal health should be better too, and you body will thank you for it.
They are all in the same catagory but have completely different meanings
This means that ventilation is greater than perfusion.