The Skeletal System: Hands-On Learning Resources from Starts At Eight. This is list of hands-on skeletal system activities, books, videos, and printables from teaching the skeletal system for all ages. Great homeschool activities such as Life Sized Human Skeletal Printable activity.
Comparative brain anatomy. Notice how our brains are much bigger than other animals', but have the same basic parts & layout. Mammal brains do vary a lot by species, though, so I'm curious what animal they used for their "typical" mammal brain.