Calixto Lozano

17 Flips | 4 Magazines | 7 Likes | 1 Following | 1 Follower | @CalixtoLoza2015 | Keep up with Calixto Lozano on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Calixto Lozano”

El riñón y la nefrona | Biología humana | Biología | Khan Academy en Español