as you know, the immune system walks a fine line between being absolutely useless and killing you

immunology professor this week (via hyacinth-willow)

I mean, a fever is basically your immune system going, “LET’S SEE WHO BURNS FIRST, MOTHERFUCKER.”

(via thebastardofgloucester)

#ALSO MOST DEADLY ILLNESSES ARE ONLY DEADLY BECAUSE YOUR IMMUNE SYSTEM IS TRYING TO HELP

(via fightthecoldwithspices)