This picture compares active transport which can be confused with facilitated diffusion. The difference is that in active transport energy is used with the carrier protein however with facilitated it isn't used.
Social rejection isn't just emotionally unsettling, it can also impact your heart in a literal sense, according to a new study which finds that being romantically rejected makes your heart rate drop for a moment.
DIY - All Natural Homemade Herbal Vapor Rub. I make the essential oil version of this every time my son has a cold and pour it in the well of a humidifier. Both the essential oils and this vapor rub work wonders!