Senses And The Nervous System Flashcards by Kevin Reynolds | Brainscape

Q

Stimulus

A

A stimulus is something that causes a response e.g.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Sensitivity

A

Detecting and responding to a stimulus

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Lens

A

Focuses the light onto the retina

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Iris

A

Controls the amount of light entering the eye

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cornea

A

Allows light through

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Ciliary muscle

A

Changes the shape of the lens for focusing

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Retina

A

Contains the light sensitive cells

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Optic nerve

A

Carries messages to the brain

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Nervous system

A

Brain, spinal cord, all the nerves

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Sensory nerve

A

Sends a message to the brain from the sense organ

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Motor nerve

A

Sends a message from the brain to a muscle

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Messages

A

Are sent along nerves as pulses of electricity

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

The eye contains

A

The cornea, iris, optic nerve and ciliary muscle

How well did you know this?

1

Not at all

2

3

4

5

Perfectly