Human Brain and Nervous System

Front

What is the main function of the spinal cord?

Back

The spinal cord is made up of nerves that supply information for thinking and is part of the central nervous system, which coordinates reflex actions and voluntary actions.

Front

What constitutes the central nervous system?

Back

The brain and spinal cord constitute the central nervous system.

Front

How does the brain communicate with muscles?

Back

The brain sends messages to muscles through the peripheral nervous system, which includes cranial nerves from the brain and spinal nerves from the spinal cord.

Front

What are the three major parts of the brain?

Back

The fore-brain, mid-brain, and hind-brain.

Front

What is the main function of the fore-brain?

Back

The fore-brain is the main thinking part of the brain, responsible for receiving sensory impulses and controlling voluntary muscle movements.

Front

How do we know when we have eaten enough?

Back

The sensation of feeling full is due to a hunger center in a separate part of the fore-brain.

Front

What controls involuntary actions like heartbeats and digestion?

Back

The mid-brain and hind-brain control involuntary actions, with the medulla in the hind-brain managing actions like blood pressure, salivation, and vomiting.

Front

What is the role of the cerebellum?

Back

The cerebellum, part of the hind-brain, is responsible for the precision of voluntary actions and maintaining posture and balance.