1.the brain can only understand electrical signals 2.receptors in the eyes change light into...

18
1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into electrical signals 4.The iris can change the size of the pupil depending on light intensity Sense Organs Sense Organs

Upload: posy-pitts

Post on 19-Jan-2018

214 views

Category:

Documents


0 download

DESCRIPTION

The Eye

TRANSCRIPT

Page 1: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

1. The brain can only understand electrical signals

2. Receptors in the eyes change light into electrical signals

3. Receptors in the ears change sound into electrical signals

4. The iris can change the size of the pupil depending on light intensity

Sense OrgansSense Organs

Sense organs

Page 2: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

Sense organsSense organs

Sense organs

Page 3: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

The EyeThe Eye

The Eye

Page 4: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

The EyeThe Eye

The Eye

Page 5: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

The EyeThe Eye

The Eye

Page 6: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

Iris and PupilIris and Pupil

Iris and Pupil

Page 7: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

Vibrations to the EarVibrations to the Ear

Vibrations to the Ear

Page 8: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

The EarThe Ear

The Ear

Page 9: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

The EarThe Ear

The Ear

Page 10: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

The EarThe Ear

The Ear

Page 11: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

1. The nervous system transports electrical impulses from receptors to the central nervous system (brain and spinal cord) and then back to effectors

2. There are three types of neurone3. The reflex arc allows us to make

emergency decisions in less time

The Nervous SystemThe Nervous System

The Nervous System

Page 12: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

Receptor cellsReceptor cells

Receptor cells

Page 13: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

NeuronesNeurones

Neurones

Page 14: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

NeuronesNeurones

Neurones

Page 15: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

The Nervous SystemThe Nervous System

The Nervous System

Page 16: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

Reflex actionsReflex actions

Reflex actions

Page 17: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

WordsearchWordsearch

Wordsearch

Page 18: 1.The brain can only understand electrical signals 2.Receptors in the eyes change light into electrical signals 3.Receptors in the ears change sound into

QuizQuiz

Quiz