<p>A Level Biology Revision Mindmaps<br /> Language used in mark schemes to guarantee A* at A Level<br /> Notes covering other chapters of specification available upon request</p> <p>produced by a straight A* student @ Berkhamsted School - guaranteed A* in Biology A Level</p> <p>**Unit 3.6 - The Nervous System **<br /> (organisms respond to changes in their internal and external environment)</p> <p>includes:</p> <ul> <li>3.6.1 - Survival and Response</li> <li>3.6.1.2 - Receptors</li> <li>3.6.1.3 - Control of Heart Rate</li> <li>3.6.2 - Nervous Coordination, Impulses &amp; Synaptic Transmission</li> <li>3.6.3 - Skeletal Muscles &amp; Muscle Contraction</li> <li>3.6.4 - Homeostasis, Negative Feedback &amp; Control of Blood Glucose</li> </ul>