7th Grade - U2 M2 L5 - Control & Info Processing

1

100

Photoreceptors in the eye are located in which part of the eye?

ack of the eye (retina)

200

Which two structures make up the central nervous system (CNS)?

brain and spinal cord 

300

________________ are special structures that detect stimuli 

receptors 

400

_________________ are cells that send and recieve information

neurons 

500

What are the functions of the brain in the nervous system?

receiving info

processing info

storing info as memories 

2

100

In the peripheral nervous system, the autonomic nervous system primarily controls what?

involuntary actions in cardiac and smooth muscles 

200

To hear sound, which receptors are needed?

auditory

300

What is the primary role of the nervous system?

To gather, process, and respond to information

400

Your eyes contain _____________ that sense light and create vision (what type of receptor?)

photoreptors 

500

 Which part of the nervous system carries information between the brain and the rest of the body?

spinal cord 

3

100

Touch receptors in skin are more densely packed in some areas. Which area in the lesson is given as having little touch receptors?

middle of the back

200

Taste buds and smell receptors work together because:

Chemoreceptors for taste and smell send signals that combine to give fuller information about food

300

Receptors that detect odors in the nose are called:

chemoreceptors

400

Touch receptors in skin are more densely packed in some areas. Which area in the lesson is given as having many touch receptors?

palms of hands and soles of feet

4

100

What do rod and cone cells in the retina detect?

color and shapes (light information)

200

Can plants respond to stimuli? Explain

Yes, the respond to light by growing toward it

Roots respond to gravity by growing downward 

Venus fly trap responds to food (bigs) quickly by using touch receptors to detect the bug and close its leaves 

300

The nervous system can receive, process, and respond in how long?

less than 1 second 

400

What are the 2 parts of the peripheral nervous system?

somatic and autonomic systems

500

In the peripheral nervous system, the somatic nervous system primarily controls what?

voluntary movements of skeleal muscles