Recently Adam shared these awesome templates in Google Drawings. (Here's Adam's original post: http://popl.ink/kJPhfW)
As I like to use the Slides Template Gallery, I converted these to Slides format (with Adam's blessing) and thought they might be useful to some of you. I particularly like using Slides with younger students because I can put the image in the background, thus locking it in place. (It prevents some of the "mistakes" students can make with this type of activity.)
Here are the 3 templates. Hope they are useful to you!
The Heart: https://goo.gl/m5Q74k
Human Body: https://goo.gl/EifWjj
I, also, especially like the learning activities included with the Bones and Muscle templates. You could allow your students to play the game as much as is needed before completing the assignment. This could improve the engagement level significantly.