Whether you're in line at the grocery store, studying for a big anatomy exam, or just want to win science trivia next time you're at Dave & Buster's, this Visual Anatomy Free phone app is fun AND useful. It has a quiz mode, a 3-D mode and even different systems of the body (eye, nervous, skeleton, etc) for you to practice with. Also works for teaching your kids about the human body!

UnderYourSkinEver wondered how your skin senses temperature? Do you know all the layers of the skin? Take our quiz & then check your answers below! 1. Thick skin, like the soles of your feet, has an extra layer of skin; what's it called? A) Stratum Spinosum B) Stratum Lucidum C) Stratum Basale D) Stratum Granulosum 2. How does your skin know you're holding that hot cup of coffee? A) Fur B) My eyeballs can see the steam  C) Organs of Ruffini D) Merkel's Disks 3. What muscle causes goosebumps? A) Deltoid B) Masseter C) Arrector Pili D) Sternocleido-mastoid 4.  Is the Stratum Corneum part of the Epidermis, Dermis or Hypodermis?  A) Epidermis B) Dermis C) Hypodermis 5. The epidermis has 5 layers; what is the bottom one called? A) Stratum Lucidum B) Stratum Granulosum C) Stratum Basale D) Stratum Corneum Answers: 1/B, 2/C, 3/C, 4/A, 5/C