Nervous System

Question 1

<p class=”large” style=”text-align:center”;>Keyword</p>

Answer 1

<p class=”large” style=”text-align:center”;>Definition or Fact</p>

Question 2

<p>Stimulus</p>

Answer 2

<p>It's a change in your environment which you may respond to.</p>

Question 3

<p class=”large” style=”text-align:center”;>Sense Organs</p>

Answer 3

<p class=”large” style=”text-align:center”;>Eyes, Ears, Nose, Tongue and Skin.</p>

Question 4

<p class=”large” style=”text-align:center”;>Receptors</p>

Answer 4

<p class=”large” style=”text-align:center”;>They are groups of cells which are sensitive to a stimulus.</p>

Question 5

<p class=”large” style=”text-align:center”;>Eyes</p>

Answer 5

<p class=”large” style=”text-align:center”;>Light receptors sensitive to light</p>

Question 6

<p class=”large” style=”text-align:center”;>Ears</p>

Answer 6

<p class=”large” style=”text-align:center”;>Sound receptors sensitive to sound.</p>

Question 7

<p class=”large” style=”text-align:center”;>Nose</p>

Answer 7

<p class=”large” style=”text-align:center”;>Smell receptors sensitive to chemical stimuli.</p>

Question 8

<p class=”large” style=”text-align:center”;>Tongue</p>

Answer 8

<p class=”large” style=”text-align:center”;>Taste receptors sensitive to bitter, slat, sweet and sour chemical stimuli.</p>

Question 9

<p class=”large” style=”text-align:center”;>Skin</p>

Answer 9

<p class=”large” style=”text-align:center”;>Sensitive to touch, pressure, pain and temperature change.</p>

Question 10

<p class=”large” style=”text-align:center”;>Sensory Neurones</p>

Answer 10

<p class=”large” style=”text-align:center”;>The nerve that carries signals as electrical impulses from the receptors in the organs to the CNS</p>

Question 11

<p class=”large” style=”text-align:center”;>Relay Neurones</p>

Answer 11

<p class=”large” style=”text-align:center”;>The nerve cells that carry signals from the senspry neurone to the motor neurone.</p>

Question 12

<p class=”large” style=”text-align:center”;>Motor Neurones</p>

Answer 12

<p class=”large” style=”text-align:center”;>The nerve cells that carry signals from the CNS to the effector, muscles or glands.</p>

Question 13

<p>Effectors</p>

Answer 13

<p>Muscles and glands are known as effectors, they respond in different ways.</p>

Question 14

<p>The CNS</p>

Answer 14

<p>Where all the information from the sense organs is sent, and where refelxes are coordinated.</p>