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Mrs. Casibangs Biology Project

Biological Bases for Behavior
Across
The biochemical units of heredity that make up the chromosomes; segments of DNA capable of synthesizing proteins.
A neurons bushy, branching extensions that receive messages and conduct impulses toward the cell body
(deoxyribonucleic acid); a complex molecule containing the genetic information that makes up the chromosomes.
"morphine within"-natural, opiate like neurotransmitters linked to pain control and to pleasure
Two lima-bean-sized neural clusters in the limbic system; linked to emotion.
The base of the brainstem; controls heartbeat and breathing.
Down
A nerve cell; the basic building block of the nervous system.
The brain's ability to change, especially during childhood, by reorganizing after damage or by building new pathways based on experience.
A neurotransmitter's reabsorption by the sending neuron.
The neuron extension that passes messages through its branches to other neurons or to muscle glands.