
How We Sense the World
Grade 10th Grade · Health · 20 min
What's Included
Learning Objective
I can describe how the structures of the eye, ear, tongue, and skin enable sensory perception.
Warm-Up Video
CrashCourse · 9:39
Vision: Crash Course Anatomy & Physiology #18
Guided Notes
3 key concepts
- 1
Optical illusions exploit the disconnect between sensation and perception, or what your eyes see versus what your brain understands.
- 2
The eyeball wall consists of three layers: the fibrous, vascular, and inner layers.
- 3
The retina contains two types of photoreceptors called rods and cones, which convert light energy into electrical signals.
Practice Questions
3 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe how photoreceptors in the retina convert light energy into signals that the brain can interpret, differentiating between the roles of rods and cones in this process.”
Complete Lesson Package
Get all 3 ready-to-use resources:


