Show:
Nervous System
Neurons
Neurotransmitters
Brain Structures
Endocrine System
100
Brain and spinal cord.
What makes up the Central Nervous System?
100
A branched fiber that extends outward from the main cell body and carries information into the neuron—it receives input.
What is a dendrite?
100

Involved in learning, memory, and muscle action along with firing neurons. Deficiencies in this can lead to Alzheimer's Disease

What is Acetylcholine (ACh)?

100
A component of the limbic system involved in establishing long-term memories.
What is the hippocampus?
100
Chemicals manufactured by endocrine glands.
What are hormones?
200
The nervous system outside central nervous system.
What is the peripheral nervous system?
200

An extended fiber in a neuron that conducts information from the cell body to the terminal buttons.

What is the axon?

200

Natural opiates that stimulate the firing of neurons. Elevate pleasure and shield the body from pain. Morphine mimics this neurotransmitter.

What is endorphins?

200
A limbic system structure involved in memory and emotion, particularly in aggression.
What is the amygdala?
200
Control the secretion of male hormones.
What are the testes?
300
The portion of the peripheral nervous system that sends communications between the central nervous system and the internal organs and glands—we do not consciously control it.
What is the autonomic nervous system?
300
The microscopic gap that serves as a communication link between neurons.

What is the synapse?

300

Helps regulate sleep, mood, learning, and attention along with assisting to maintain our neuroplasticity. Lower levels are associated with depression.

What is serotonin?

300
The “little brain” attached to the brain stem. It is responsible for coordinated movements.
What is the cerebellum?
300
Control the secretion of female hormones.
What are the ovaries?
400
The part of the autonomic nervous system that sends messages to internal organs and glands that help us to respond tostressful and emergency situations.
What is the sympathetic division?
400

Chemical messengers that relay neural messages across the synapse.

What are neurotransmitters?

400

Excites the heart, intestinal tract, and urogenital tract while also inhibiting the firing of neurons in the CNS. Helps control arousal and alertness. Low levels are associated with depression, while high levels are associated with hyperactive and manic states.

What is norepinephrine?

400
The band of nerve fibers that connects the two cerebral hemispheres.
What is the corpus callosum?
400
Glands that control the stress response.
What are the adrenal glands?
500
The part of the autonomic nervous system that monitors the routine operations of the internal organs and returns the body to calmer functioning after arousal.
What is the parasympathetic division?
500

The part of the neuron that contains the nucleus.

What is the cell body?

500

Helps control voluntary movement and is involved in sleep, attention, learning, mood, and recognizing rewards. Low levels are associated with Parkinson's Disease and problems regulating this are associated with schizophrenia.

What is dopamine?

500

The brain-stem structure that controls breathing and heart rate.

What is the medulla?

500
Among other things, influences growth and lactation.
What is the pituitary gland?