E

Edema, 216, 223, 259 Effective refractory period, 173 Efferent division, of peripheral nervous system, 46 Efferent neurons, 46 Ejection fraction, 188-189 Elastic connective tissue, 195 Electrical gradient, 12, 19 Electrocardiogram, 174-176 Emulsification, 302 End-diastolic volume, 177, 188 Endocardium, 167 Endocrine system definition of, 4, 112 description of, 111-112 functions of, 2, 4, 112 hormones, see Hormone(s) pituitary gland, see Pituitary gland thyroid gland calcitonin, 130-131 description of, 129 hormones produced by, 122-123, 129-131 Endorphins, 83 Endothelin-1, 210 End-systolic volume, 179 Enkephalins, 83 Enterochromaffin-like cells, 293 Enterogastric reflex, 283, 290 Enterohepatic circulation, 297 Enzymes, 10 Eosinophils, 231-232 Epicardium, 167 Epidural anesthesia, 71-72 Epiglottis, 287-288

Equilibrium potential membrane potential and, 20 for potassium, 19 for sodium, 20 Erythroblastosis fetalis, 230 Erythrocytes, 228-229 Erythropoietin, 229, 309 Esophagus, 288

Excitatory postsynaptic potential definition of, 36 temporal summation, 38 Excitatory synapse, 36-37 Exercise alveolar ventilation during, 257 cardiac output affected by, 190-191 circulatory system effects of,

218-219 homeostatic effects of, 4 ventilatory response to, 275-276 Expiration, 243-244 Expiratory reserve volume, 255 Extracellular fluid description of, 17 osmolarity of, 308, 338 renal regulation of, 308 sodium ions in, 18

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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