This is harder than you think.
Posted on June 26, 2015, at 2:06 p.m. ET
Let's start off really easy. You got this.
It's a cat, duh.
These are actually cat lungs.
This is a human's backbone.
This is a human hand that has an extra sixth finger. This condition is called polydactyly.
This is a human who has Leriche's syndrome, which is a disease that blocks blood flow to the legs.
This is a cat.
This is a human with a clavicle fracture.
This is part of a cat's head.
This is part of a human's arm.
This is human skull fracture.
This is a cat, of course!
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