Nervous System

Front

What is a reflex?

Back

A quick, involuntary response by the body to a potentially damaging stimulus.

Tags

NGSS.MS-LS1-8

Front

What are the consequences of a broken neck at C2?

Back

The patient is a quadriplegic.

Front

What part of the brain controls survival functions like heart rate and breathing?

Back

Medulla oblongata.

Front

Which lobe of the brain is colored blue?

Back

Frontal lobe.

Front

What happens first when a neuron receives a strong stimulus?

Back

Na+ gates open causing the cell to depolarize.

Front

Define action potential.

Back

A temporary change in electrical potential across a cell membrane that occurs when a neuron sends a signal.

Front

What is the function of the spinal cord?

Back

To transmit signals between the brain and the rest of the body and to coordinate reflexes.

Front

What is the role of neurotransmitters?

Back

Chemicals that transmit signals across a synapse from one neuron to another.

Front

What is the difference between paraplegia and quadriplegia?

Back

Paraplegia affects the lower half of the body, while quadriplegia affects all four limbs.

Front

What is the function of the cerebellum?

Back

To coordinate voluntary movements and maintain posture and balance.