BISC276 Study Guide - Midterm Guide: Mediastinum, Earwax, Desmosome
20 Dec 2016
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Transfer oxygen for inhaled air to co2/blood from blood to exhaled air. Air flowing out of lungs through vocal cords produce sounds. Interpret change; respond to change by making muscular contractions or glandular secretions. Chemical messengers transported in blood from endocrine gland to target organs. Blood carries oxygen/nutrients to cells; carries co2 and waste away from cells. Regulate acid base balance, temperature and body water content. Feedback loop: monitors conditions in the body; sends info to a central control regions and produces a needed response. Produce response that reverses or counteracts the original stimulus. Produce response the enhances or intensifies original stimulus ex. Vertebral canal; spinal, in backbone, contains spinal cord. Heart, lungs, esophagus, trachea, thymus: pleura cavities: 2; each surround a lung, pericardial cavity: located between lungs; surrounds heart, mediastinum: broad mass of tissue extending between lungs from sternum to vertebral coloumn. Contains organs of abdominal & pelvic cavities: abdominal cavity: superior.
