Biology
Reflex actions are the actions controlled by
- brain
- spinal cord
- both brain and spinal cord
- neither brain nor spinal cord
Related Questions
Breathing and heartbeat are controlled by the
- cerebellum
- cerebrum
- medulla
- nerve cells
The central canal of the spinal cord is surrounded by an H-shaped area called
- grey matter
- white matter
- black matter
- silver matter
The peripheral nervous system transmits messages to and from the sense organs and is responsible for
- involuntary actions
- reflex actions
- autonomic actions
- voluntary actions
Fill in the blanks:
A neuron is the basic structural and functional unit of the _________ system.