,🧠 CENTRAL NERVOUS SYSTEM (CNS)
Cerebrum -Thinking, memory, intelligence, voluntary actions
Cerebellum -Balance, muscle coordination
Medulla Oblongata -Controls heartbeat, breathing, swallowing
Spinal Cord -Transmits impulses & controls reflexes
HARD EXAM QUESTION
Question 1 (8 Marks)
Explain THREE ways in which the brain and spinal cord are
protected.
Answer
1. The skull protects the brain from mechanical injury.
2. The vertebral column protects the spinal cord.
3. Cerebrospinal fluid acts as a shock absorber around the
brain and spinal cord.
4. Meninges surround and protect the CNS.
(Any 4 × 2)
Cerebrum -Thinking, memory, intelligence, voluntary actions
Cerebellum -Balance, muscle coordination
Medulla Oblongata -Controls heartbeat, breathing, swallowing
Spinal Cord -Transmits impulses & controls reflexes
HARD EXAM QUESTION
Question 1 (8 Marks)
Explain THREE ways in which the brain and spinal cord are
protected.
Answer
1. The skull protects the brain from mechanical injury.
2. The vertebral column protects the spinal cord.
3. Cerebrospinal fluid acts as a shock absorber around the
brain and spinal cord.
4. Meninges surround and protect the CNS.
(Any 4 × 2)