<p class="sensei-content-description"><strong><mark style="background-color:rgba(0, 0, 0, 0)" class="has-inline-color has-vivid-red-color">Central Nervous System (CNS)</mark></strong></p> Central nervous system acts as a control centre of the whole nervous system. It comprises brain and spinal cord. <p><strong><mark style="background-color:rgba(0, 0, 0, 0)" class="has-inline-color has-vivid-cyan-blue-color">Brain</mark></strong></p> Human brain is enclosed in a bony skull called cranium, and consists of billions of inter-neurons. It is divided into the following parts. <figure class="wp-block-image size-full"><img src="https://www.primacyebooks.com/wp-content/uploads/2024/09/Section-of-skull-showing-different-parts-of-human-brain-1.png" alt="Section of skull showing different parts of human brain" class="wp-image-20984"/></figure> <div class="sign-up-notice-after-excerpt-two" style="background-color:powderblue;"> You are viewing an excerpt of this lesson. Subscribing to the subject will give you access to the following: <ul> <li>The complete lesson note and evaluation questions for this topic</li> <li>The complete lessons for the subject and class (First Term, Second Term & Third Term)</li> <li>Media-rich, interactive and gamified content</li> <li>End-of-lesson objective questions with detailed explanations to force mastery of content</li> <li>Simulated termly preparatory exams</li> <li>Discussion boards on all lessons and subjects</li> <li>Guaranteed learning</li> <li>Win great prizes for topping the <a href="https://www.primacyebooks.com">Primacy Ebooks</a></li> </ul> </div> <div class="sensei-message info"></div>