Biology 12

scab new skin cells Materials These will vary according to your experimental design. Experimental Plan 1.Select an invertebrate ...

162 MHR • Unit 2 Homeostasis SECTION REVIEW How is sensory information important to you? List three parts of your body that rel ...

Chapter 5 The Nervous System • MHR 163 CHAPTER 5 REVIEW Summary of Expectations Briefly explain each of the following points. A ...

164 MHR • Unit 2 Homeostasis 13.Observe the optical illusion in the following figure. Draw what you see. Compare your observatio ...

Chapter 5 The Nervous System • MHR 165 (a)Use wire to make a model of a neuron. Complete the circuit using dry cells, a switch, ...

CHAPTER 6 Reflecting Questions The Endocrine System 166 When a gymnastic performer entertains us with a display of prolonged, in ...

167 Chapter Contents 6.1 The Endocrine System and Homeostasis 168 6.2 The Adrenal Glands and Stress 184 Thinking Lab: Symptoms o ...

6.1 The Endocrine System and Homeostasis 168 MHR • Unit 2 Homeostasis In Chapter 5, you studied the role of the human nervous sy ...

Chapter 6 The Endocrine System • MHR 169 Endocrine glandsare ductless glands that secrete hormones directly into the bloodstream ...

170 MHR • Unit 2 Homeostasis production and secretion, hormone concentration in the blood, the rate of blood flow to a target or ...

Chapter 6 The Endocrine System • MHR 171 produces an enzyme that initiates the desired chemical reaction within the cell. This p ...

172 MHR • Unit 2 Homeostasis system,” in which relatively small amounts of hormone can substantially affect the biochemistry of ...

Chapter 6 The Endocrine System • MHR 173 substances are referred to as tropic hormones. For example, the thyroid-stimulating hor ...

174 MHR • Unit 2 Homeostasis The differing embryonic origins of the anterior and posterior lobes are reflected in their dissimil ...

Chapter 6 The Endocrine System • MHR 175 Excess HGH production during adult years produces acromegaly, symptoms of which include ...

176 MHR • Unit 2 Homeostasis The Posterior Pituitary The posterior pituitary gland is composed of secretory nerve cells that ori ...

Chapter 6 The Endocrine System • MHR 177 Figure 6.12The release of the hormone oxytocin during infant feeding strengthens matern ...

178 MHR • Unit 2 Homeostasis Hyperthyroidism and Hypothyroidism Various medical complications can arise from the production of a ...

Chapter 6 The Endocrine System • MHR 179 Early treatments for goiter involved the simple addition of small amounts of iodine to ...

180 MHR • Unit 2 Homeostasis Figure 6.16When the blood calcium (Ca^2 +) level is high, the thyroid gland secretes calcitonin. Ca ...