Vasomotor Control and Structure of Respiratory System 0.0 / 5 ? Physical EducationAnatomy & physiologyA2/A-levelOCR Created by: MollyGeehan12Created on: 09-11-17 12:42 Vasomotor Control The control center in the medulla oblongata responsible for cardiac output distribution 1 of 10 Vasomotor Tone The partial state of smooth muscle constriction in the arterial walls 2 of 10 The SA Node's Activity Response to exercise: release of adrenaline, increased sympathetic stimulation via accelerator nerve, increased firing rate. increased HR 3 of 10 Alveoli Clusters of tiny air sacs covered in a dense network of capillaries which together serve as the external site for gaseous exchange 4 of 10 Gaseous Exchange The movement of oxygen from the alveoli into the blood stream and carbon dioxide from the blood stream into the alveoli 5 of 10 Hemoglobin An iron rich globular protein in red blood cells which can chemically combine with four O2 molecules to form oxyhaemoglobin 6 of 10 Oxygen The essential gas required for aerobic energy production in the muscle cells 7 of 10 Carbon Dioxide The waste product of aerobic energy production in the muscle cells 8 of 10 Breathing Rate The number of inspirations or expirations (breaths) per minute 9 of 10 Tidal Volume The volume of air inspired or expired per breath 10 of 10
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