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Bio12respirationAC

Bio12respiration AC

QuestionAnswer
Alveoli Small sacs that allows gas exchange between O2 and CO2
Aortic Bodies One of several small clusters of chemoreceptors, baroreceptors, and supporting cells located along the aortic arch.
Bicarbonate ions HCO3−
Bronchi Two main branches of the trachea that go into the lungs
Bronchioles Smaller tubes that leads to the alveoli
Carbaminohemoglobin A compound of hemoglobin and carbon dioxide, 10% of carbon dioxide is carried in blood this way
Carbon Dioxide A chemical compound composed of two oxygen atoms linked to a single carbon atom; waste product of cellular respiration
Carbonic Anhydrase An enzyme that catalyzes the reaction of dissolved bicarbonates and carbon dioxide
Carotid Bodies A small mass of receptors in the carotid artery sensitive to chemical change in the blood.
Cilia A short, microscopic, hairlike vibrating structure
Diaphragm A dome-shaped, muscular partition separating the thorax from the abdomen
Exhalation The process or action of exhaling
External Respiration Exchange of gases at the alveoli
Inhalation The action of taking in O2
Internal respiration Exchange of gases at the tissues
Larynx The hollow muscular organ forming an air passage to the lungs; the voice box
Oxyhemoglobin A bright red substance formed by the combination of hemoglobin with oxygen, present in oxygenated blood
Pharynx The membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.
Pleural membranes The pleural cavity is the potential space between the two pleurae of the lungs.
Reduced Hemoglobin A combination of hemoglobin and a hydrogen ion
Respiratory centre Medulla oblongata; senses O2 and CO2 levels in the blood
Stretch receptors Receptor's that are sensitive to elongation; found in the alveoli
Thoracic Cavity the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck
Trachea A large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes
Created by: Av3ry