Chapter 5 (Nervous System) Lesson 2

• Biologie
• Middelbare school
• havo
• Leerjaar 1

Welcome back!

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0100

Program

Recap

Senses

Sight & the Eye

Cones and Rods

Exit ticket

Chapter 5

Perception

(Processing)

Behaviour

Regulation

Stimuli vs Impuls

Definition

Stimulus: An influence from the surroundings on an organism.

Impuls: Electrical signals that are transmitted from the senses to the brain via nerves.

a / an

Experiment

Exercise

Receptors / Senses?

Sight

Why?

Nearly 70% of all your sensory receptors in your whole body are in the eyes

Mo

What?

Light

Photoreceptors

Your eyes' photoreceptors convert light energy into nerve impulses that the brain can understand.

www.bioplek.org

Cones

Rods

Recap

- Stimuli & Impuls Processing

- Perception Differences

- Structure of the Eye

- Cones and Rods

Next week / Homework

Read and Study pages 102, 103

Eye Practical

The Nervous System

(Processing)

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