For a limited time, iTunes has this Human Anatomy Atlas 2019 – Complete 3D Human Body App available to download for just 99¢ (reg. $24.99)!
This app is great for healthcare professionals, students, professors and anyone interested in learning in-depth about the human body. This app allows you to select any model to access definitions, pronunciations, and disease descriptions; create views into the human body; rotate and zoom into body regions; and dissect anatomy.
Note that this app is rated for kids 12+ due to graphic pictures and nudity included in the content.