Details Title: ch 1 Description: homeostasis Total Flash Cards: 29 Created: 02/18/2008 14:05:04		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Physiology Flashcards
Cards in this set: Term endoderm Definition germ layer. epithelium, digestive tube, lungs, liver, urinary bladder, germ cells. Term mesoderm Definition germ layer. muscles, skeletal and jaw aspects, epithelium. Term ectoderm Definition germ layer. nervous system (brain and spinal cord), periferal nervous system, hair, skin, eyes, epithelium (some) Term four tissues Definition muscular, nervous, epithelial, connective Term circulatory system Definition heart, blood vessels, blood. Function: transport of blood throughout the body's tissues Term digestive system Definition mouth, salivary glands, pharynx, esophagus, stomach, large and small intestine, pancreas, liver, gallbladder. function: digestion and absorption of nutrients and water, elimination of wastes Term endocrine system Definition all glands or organs secreting hormones: Pancreas, testes, ovaries, hypothalamus, kidneys, pituitary, thyroid, parathyroid, adrenal, intestinal, thymus, heart, and pineal, and endocrine cells in other locations. function: regulation and coordination of many activities in the body, including growth, metabolism, reproduction, blood pressure, electrolyte balance, and others Term immune Definition white blood cells, spleen, thymus function: defense against pathogens Term integumentary system Definition skin function: protection against injury and dehydration, defense against pathogens, regulation of body temperature Term lymphatic system Definition lymph vessels, lymph nodes function: collect extracellular fluid for return to circulation, participate in immune defenses Term musculoskeletal Definition cartilage, bone, ligaments, tendons, joints, skeletal muscle. function: support, protection, and movement of the body, production of the blood cells Term nervous system Definition brain, spinal cord, peripheral nerves and ganglia, sense organs. function: regulation and coordination of many activities in the body, detection of changes in the internal and external environments, states of consciousness, learning and cognition Term reproductive system Definition male: testes, penis, and associated ducts and glands female: ovaries, fallopian tubes, uterus, vagina, mammary glands function: production of sperm, transfer of sperm to female, production of eggs, provision of a nutritive environment for the developing embryo and fetus, nutrition of the fetus Term respiratory system Definition nose, pharynx, larynx, trachea, bronchi, lungs function: exchange of carbon dioxide and oxygen, regulation of hydrogen ion concentration (pH) Term urinary system Definition kidneys, ureters, bladder, urethra function: regulation of plasma composition through controlled excretion of salts, water and organic wastes. Term intracellular Definition inside the cell Term extracellular Definition outside the cell (interstitial fluid and plasma) Term interstitial fluid Definition extracellular fluid surrounding tissue cells (excludes plasma) Term homeostasis Definition the maintenance of certain key physiological variables within narrow limits despite changing conditions Term ATP- Atkinson energy charge (homeostatic set point) Definition 0.9 Term mitochondrial (homeostatic set point) Definition 0.22V Term mean arterial pressure (homeostatic set point) Definition 100mmHg Term arterial oxygen partial pressure (homeostatic set point) Definition 100Torr Term blood [glucose] (homeostatic set point) Definition 100mg/dl or 5.5 mM Term cell membrane potential (homeostatic set point) Definition -90 to -55mV (depending on cell type) Term arterial pH (homeostatic set point) Definition 7.38 Term plasma osmolality (homeostatic set point) Definition 282 mOsm Term core body temperature (homeostatic set point) Definition 37 degrees C Term Definition