all right so now i'm gonna go over to your left side i'm gonna show you the spleen so right right there see that that's your spleen what does the spleen do the spleen what does it do it's um that's your left kidney too right there so right next to spleen is your left kidney and if i go a little bit you see all that white stuff that's your stomach so that's a lot of gas but what does a spleen do it's um it's an organ it's on the left side so a left upper quadrant you know um yours is about nine centimeters yeah but what is its function it um it's sometimes in the books it looks purple