I've talked about various aspects of the heart, but never the structure of the heart itself. Let's fix that. Chambers, valves, great vessels, specialised nerves, and stuff like that.
Daily Anatomy App:
For a random human anatomy question every day on your phone you can get my Daily Anatomy question app from the Apple App Store:
https://itunes.apple.com/gb/app/daily-anatomy/id1001729137
or Google Play Store:
https://play.google.com/store/apps/details?id=com.suanatomy.dailyanatomy
Music by Broke For Free
Album: Petal
Song: Melt
https://brokeforfree.bandcamp.com