This batch of the week’s best iPad apps is all about learning. Whether it’s playing with sound waves, or human anatomy, you’re beefing up your brain muscle.

Essential Anatomy: Here’s a great way to use the iPad’s retina display—look at human anatomy in 3D. In this iPad app, you can view all 6 systems of the body in intense details. £20.99

Sound Uncovered: Why does the sound of a car door make you want to buy one vehicle over another? This app—new from the San Francisco Exploritorium—lets you play with sound in a very unconventional, game-like way, in order to understand the every day noises around us. Free