Question

Fill in the blanks:

The central nervous system consists of ______and _______.

• A. brain
• B. spinal cord

Answer 1

Central nervous system (CNS):

1. The main components of the central nervous system are the brain and the spinal cord.
2. The brain stem serves as a connecting structure between the brain and the spinal cord.
3. The spinal cord relays the sensory input from the sensory receptors to the brain.
4. The motor information from the brain is conducted to the other organs via the spinal cord.
5. The CNS acts as an integration center for the sensory input.
6. Both the brain and the spinal cord are covered by three layers of connective tissue called the meninges.

Final answer: The central nervous system consists of the brain and the spinal cord.