Anatomy and Physiology: Skeletal Muscle, Nervous System, and Cardiac Function, Quizzes of Biology

Download Anatomy and Physiology: Skeletal Muscle, Nervous System, and Cardiac Function and more Quizzes Biology in PDF only on Docsity! TERM 1 Skeletal Muscle DEFINITION 1 Requires depolarizing signals from the nervous system to contract TERM 2 Autorhythmicity DEFINITION 2 The heart's ability to trigger its own contractions TERM 3 Sympathetic Nervous System DEFINITION 3 Fight or flight TERM 4 Parasympathetic Nervous System DEFINITION 4 Resting and digesting TERM 5 Vagus Nerve (Cranial Nerve X) DEFINITION 5 Carries the signal to the heart TERM 6 Sinoatrial Node (SA Node) DEFINITION 6 A cluster of autorhythmic cardiac cells found in the right atrial wall in the human heart and determines the heart rate, also called the heart's "pacemaker" TERM 7 Homeothermic DEFINITION 7 Means the human body maintains a constant internal body temperature even though the external temperature is changing TERM 8 Hyperthermia DEFINITION 8 Elevated body temperature TERM 9 Hypothermia DEFINITION 9 Low body temperature TERM 10 Poikilothermic DEFINITION 10 Animals whose internal body temperature changes depending on the temperature of its external temperature because it lacks internal homeostatic regulatory mechanisms