Biology Chapter 15: Nervous and Chemical Control

Vocabulary	Objectives
15:1 The Role of the Nervos System	page 310
nervous system	Explain how animals keep in touch with their body parts and their surroundings. Compare the nervous system of common animals.
15:2  Human Nervous System	page 312
neuron nerve dendrite axon synapse brain spinal cord cerebrum cerebellum medulla reflex	Explain how nerve cells carry messages through the body. State the functions of the three major organs of the nervous system. Describe the reflex action.
15:3  The Role of the Endocrine System	page 320
endocrine system hormone pituitary gland thyroid gland thyroxin	Explin the function of the endocrine sytem. Relate the importance of thyroid glands.
15: 4  Nervous and Endocrine System Problems	page 323
insulin diabetes mellitus	Identify problems that damage the brain. Explain the importance of insulin.