🖐️01
Sensory Receptors
The nerve endings in your skin for touch, pressure, temperature, and pain.
Open →👁️02
The Eye
Cornea, iris, lens, retina, and fovea. Tap a slice of the eye.
Open →🌈03
The Visual Pathway
Follow the signal from rods and cones, through the optic chiasm, to the visual cortex.
Open →👂04
The Ear
Outer, middle, and inner ear, from the ear flap to the spiral cochlea.
Open →👅05
Taste & Smell
The five basic tastes, and the path that smell takes to the brain.
Open →🦵06
The Reflex Arc
Tap the tendon and follow the knee-jerk through its five parts.
Open →