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4th Grade Science
Sensing and Response
2. Human Senses
Sensory Systems, Five senses structure and function
Discover Your Five Senses How Your Body Experiences the World
You will explore the amazing structures behind sight, hearing, smell, taste, and touch, and learn how your brain makes sense of it all.
What You'll Learn
You have five senses that help you experience your world daily.
Each sense organ sends signals through nerves to your brain.
Your retina, cochlea, and taste buds are key sensory structures.
You use all five senses together for a complete world picture.
What You'll Practice
1
You will identify sense organs and their specific key structures.
2
You will trace how sensory signals travel to your brain.
3
You will explain how smell and taste work closely together.
Why This Matters
Understanding how your five senses work helps you appreciate your body and prepares you to learn about all the other amazing systems that keep you alive and healthy.
This Unit Includes
Practice exercises
Learning resources
Skills
Five Senses
Sense Organs
Sensory Neurons
Brain Processing
Touch Receptors
