DAANCE MODULE 1 COMPLETE SET QUESTIONS
WITH VERIFIED ANSWERS
Myocardium - ANSWER-specialized muscle, unique ability to contract on its own. w/out stimulation by nerves The heart has four chambers, what are they? - ANSWER-Two upper chambers receive blood are called Atria. The left atrium receives blood from the lungs via the pulmonary vein and is oxygen-rich; the right atrium receives blood from the peripheral curculation (THE BODY) and is oxygen-poor.Right Ventricle of the heart - ANSWER-Sends deoxygenated blood to the lungs.Left Ventriclue of the heart - ANSWER-Sends oxygenated blood into the body or peripheral curculation (THE BODY) Vessels and Valves - ANSWER-blood flows through the body in only one direction. The right side of the heart is filled with deoxygenated blood while the left side is filled with oxygenated blood.Neurons - ANSWER-cells of the nervous system responsible for conducting nerve impulses within the brain as well as from one part of the body to another.Action potential - ANSWER-The nerves threshold of stimulus Synapse - ANSWER-A junction between two neurons or to another structure such as a muscle.Terminal Button - ANSWER-the bulge at the end of the nerve touches the next nerve in the nerve pathway.Gap between two nerves - ANSWER-synaptic cleft 1 / 2
Central Nervous System - ANSWER-overall control center of the body and consists of the brain and spinal cord.Cerebral Cortex - ANSWER-Responsible for such essential functions as thought, learning, memory, consciousness, the feeling of sensations such as pain or heat and the initiation of muscle movement.The Core of the Brain - ANSWER-Impulses pass through on their way to or from the cerebral cortex. Relay station between sensory inputs from the periphery of the body to the cerebral cortex.Cerebellum - ANSWER-Coordinating center for both sensory receptors, such as those for vision and hearing as well as coordination of movement.Brainstem consists of what? - ANSWER-Midbrain, pons, and medulla oblongata Cranial nerves - ANSWER-peripheral nerves that have their origin at the base of the brain.Optic Nerve - ANSWER-2nd cranial nerve, allows us to see Olfactory Nerve - ANSWER-1st cranial nerve and allows us to smell Auditory Nerve - ANSWER-8th cranial nerve, allows us to hear Trigeminal Nerve - ANSWER-5th cranial nerve, supplies sensation to the teeth and jaws, also has motor brances that supply the muscle of mastication.Facial Nerve - ANSWER-7th cranial nerve, supplies motor fibers to the muscles of facial expression and allows us to smiles, frown, wrinkle our brow.What trigeminal nerves "three paired" division consist of? - ANSWER-Opthalmic, Maxillary and Mandibular Autonomic Nervous System regulates what? - ANSWER-Internal Organs, keeping the bodys internal environment in a relatively constant state (homeostasis)
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