Do tortoises have a skin-covered body under their shell, or does skin simply attach to front & back with organs inside the shell? - Quora

What happens to the shell of a turtle if it loses its legs and/or its tail? - Quora

Is a turtle connected to its shell? - Quora

Is a tortoise shell made of scale or bone? - Quora

Is a tortoise shell made of scale or bone? - Quora

What does an unhealthy turtle shell look like? - Quora

How does a tortoise make its shell? - Quora

Do tortoises recognize their owners? - Quora

Why is the tortoise hiding his head inside the shell? - Quora

How does a snail hold his shell on his back? - Quora

Why can't sea turtles retract their body into their shells? - Quora

Are tortoises basically just snakes with a shell? How are they different, anatomically, besides the former having a shell? - Quora

Why do Americans seem unable to distinguish between a turtle and a tortoise? - Quora