The Human Body [new] Site

Aristotle listed five senses, but the human body has more. Beyond sight, hearing, touch, taste, and smell, consider —the sense that tells you where your limbs are in space, even when your eyes are closed. Or nociception (pain), and equilibrioception (balance, governed by fluid in the semicircular canals of the inner ear).

The skin is the body's largest organ. Serving as the primary boundary between our internal organs and the outside world, the integumentary system (skin, hair, and nails) provides vital protection: The Human Body