Chapter 9-The Sensory System Flashcards Preview

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Flashcards in Chapter 9-The Sensory System Deck (10)
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1
Q

How are Neurons transported

A

Carried as electrical impulses down the spinal cord

2
Q

Two types of Neurons and difference

A

Sensory Neurons- from sensory organ to brain

Motor Neurons- from brain to moving body part

3
Q

Cornea

A

Protects and allows light in

4
Q

Pupil

A

Hole, allows light in

Doesn’t let light out-> black

5
Q

Iris

A

Colour around pupil

6
Q

Lens

A

To focus light on the retina

7
Q

Retina

A

Light sensitive layer

8
Q

Optic nerve

A

Carries message form th eye to the brain

9
Q

Ciliary muscle

A

Changes lens’ shape

10
Q

Nerve cells are called:

A

Neurons