Question

CNS is mostly made of

• A. Motor neurons and sensory neurons
• B. Sensory neurons and association neurons
• C. Association neurons
• D. Motor neurons and association neurons

Answer 1

The correct option is C Association neurons

C. Association neurons

Reason: CNS (central neural system) is a hollow, dorsally placed structure lying along the mid-dorsal axis of the body. It comprises the brain and spinal cord. The brain is lodged in the skull while the spinal cord is enclosed by the vertebral column. The association neuron is so named because it integrates the received information and coordinates and influences the activity of all parts of the body.