Tendons attach muscles to the skeleton. Synovial joints (freely movable ... Four of the synovial joint types are responsible for a range of sporting techniques.

these parts of the skeleton can also change independently from one another," says Patrick Tschopp. "That might explain why vertebrates have evolved so many different types of skeletons." ...

When it comes to decorating for Halloween, there are two types of people ... the two-story-tall skeleton from Home Depot that goes viral (and quickly sells out) every spooky season.