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Chapter 2: Biology and Behavior Lecture 3

Learning Outcomes. Describe the nervous system, including neurons, neural impulses, and neurotransmitters. List the structures of the brain and their functions.. Learning Outcomes. Describe evolutionary psychology and the connections between heredity, behavior, and mental processes.. The Nervous Sy

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Chapter 2: Biology and Behavior Lecture 3

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    1. Chapter 2: Biology and Behavior Lecture 3

    2. Learning Outcomes Describe the nervous system, including neurons, neural impulses, and neurotransmitters. List the structures of the brain and their functions.

    3. Learning Outcomes Describe evolutionary psychology and the connections between heredity, behavior, and mental processes.

    4. The Nervous System: On Being Wired Truth or Fiction? The human brain is larger than that of any other animal. FALSE A human brain weighs about 3 pounds, but the brains of elephants and whales may be four times as heavy. However, our brains account for a greater part of our body weight than do those of elephants or whales.Truth or Fiction? The human brain is larger than that of any other animal. FALSE A human brain weighs about 3 pounds, but the brains of elephants and whales may be four times as heavy. However, our brains account for a greater part of our body weight than do those of elephants or whales.

    5. 1. Neurons Neurons, responsible for all our sensations, behaviors and mental processes, our nervous system composed of those cells Cell body-soma, dendrites, axon and axon terminals Glial cells (# increases when we grow up) Nourish and insulate neurons Direct growth of neurons Remove waste products Myelin sheath (axon is wrapped w/it, white, fatty)

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