STEM-A FINAL FLASHCARD

Front

What is the Central Nervous System composed of?

Back

The Central Nervous System is composed of the brain and spinal cord.

Front

What are ganglia?

Back

Ganglia are clusters of neurons located in the peripheral nervous system.

Front

What are external stimuli?

Back

External stimuli are environmental factors that can affect an organism's behavior or physiology.

Front

Give examples of external stimuli.

Back

Examples include heat, light, and sound.

Front

What is an example of a non-external stimulus?

Back

Muscle tension is not considered an external stimulus.

Front

What are hormones?

Back

Hormones are chemicals that coordinate functions in the body by carrying messages through the blood.

Front

Who created the Punnett square?

Back

Reginald Punnett created the Punnett square, a tool used in genetics.

Front

What is a neuron?

Back

A neuron is the basic unit of the nervous system, composed of a cell body, axon, and dendrites.

Front

What are the two types of extensions from a neuron?

Back

The two types of extensions are axons and dendrites.

Front

What is the function of axons?

Back

Axons transmit electrical impulses away from the neuron's cell body.