PSYC2301 Collin College -Psychology 2301 Chapter 2 fully solved

Psychology 2301 Chapter 2Neuroscience - correct answer the study of the brain and nervous system Biological psychology - correct answer the branch of psychology that focuses on how the brain and other biological systems influence the human behavior Neurons - correct answer the building blocks of the nervous system that transmit electrical and chemical signals in the body Cell Body - correct answer the region of the neuron that includes a nucleus containing DNA, protein producing mechanisms and other structures that nourish the cell Axon - correct answer skinny tubelike structure of a neuron that extends from the cell body, and which sends messages to other neurons Myelin Sheath - correct answer fatty substance that insulates the axon and speeds the transmission of neural messages Synapse - correct answer the tiny gap between a terminal bud of one axon and a neighboring dendrite of the next neuron; junction between neurons where communication occurs glial cells - correct answer cells that support, nourish, and protect neurons; produce myelin that covers axons Resting potential - correct answer the electrical potential of a cell "at rest" the state of a cell when it is not activated action potential - correct answer the spike in electrical energy that passes through the axon of a neuron, the purpose of which is to convey information