Let us start with the brain. The brain is a physical organ, (like heart and liver), and is situated within the skull, that ...
This large, jelly-filled cavity in the center of the snout is thought to be an electrosensory device for detecting weak electrical impulses given off by prey. Evidence for this function first came ...
The human body has evolved to shield its vital organs, from the brain's hard skull and meninges to the ribs and sternum protecting the heart and lungs. Even abdominal structures are safeguarded by ...