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Chapter 3 BIOLOGY AND BEHAVIOR

Section 1: The Nervous System Section 2: The Brain: Our Control Center Section 3: The Endocrine System Section 4: Heredity: Our Genetic Background

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Question: How many messages transmitted by neurons, and what are the functions of the peripheral and central nervous system

Section 1: The Nervous System

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Question: How many messages transmitted by neurons, and what are the functions of the peripheral and central nervous system

Section 1: The Nervous System

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Divisions of the Nervous System

Central Nervous System

Brain Spinal Cord

Peripheral Nervous System

Somatic Autonomic

Sympathetic Parasympathetic

Section 1: The Nervous System

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Question: How many messages transmitted by neurons, and what are the functions of the peripheral and central nervous system

Section 1: The Nervous System

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Question: What are the major structures of the brain, and what is the function of each structure?

Section 2: The Brain: Our Control Center

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Question: What are the major structures of the brain, and what is the function of each structure?

Section 2: The Brain: Our Control Center

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Question: How do hormones secreted by major glands of the endocrine system affect the body?

  Pituitary Gland: responsible for the secretion of many different hormones that affect various aspects of behavior such as the growth hormone.

  Thyroid Gland: produces thyroxin which affects the body’s metabolism

  Adrenal Gland: the outer layer of the adrenal gland, or cortex, secretes cortical steroids which increase resistance to stress and promote muscle development

  Testes and Ovaries: produce the hormones testosterone, estrogen, and progesterone that play an important role in development of primary and secondary sex characteristics. Have psychological as well as a biological effect.

Section 3: The Endocrine System

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Section 3: The Endocrine System

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The Study of the Role of Heredity

  Role of heredity in studies through various types of kinship research such as:

(1) Twin Studies (2) Adoptee Studies

(3) Twins Reared Apart

Section 4: Heredity: Our Genetic Background