The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system.
Reference
https://www.webmd.com/heart/picture-of-the-heart
3 comments
Can i use this for my game? i will credit you
@Z-Anatomy Thank you
Congratulations and many thanks.
This seems to be the best open source model!