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問題一覧
1
functions of respiratory system
* Gas exchange - facilitate the exchange of gases * Regulation of blood pH - maintains balance of pH Blood by regulating carbon dioxide levels * Sensory function - sense of smell relies on olfactory receptors
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Parts of the upper Respiratory tract
Nasal cavity, pharynx, epiglottis, larynx
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4 parts of the lower respiratory tract
trachea, bronchial tree, lungs, alveoli
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space inside the nose that serves as entry point
Nasal Cavity
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tube that connects the nasal cavity and mouth to esophagus and larynx
Pharynx
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muscle that regulates the passage of bolus or air
Epiglottis
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contains vocal cords
Larynx
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flexible tube composed of cartilage rings
Trachea
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distributes air
Bronchial Tree
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primary organs of the respiratory system that contains smaller sacs
Lungs
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sacs within the lung where exchange of gases take places
Alveoli
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Body Cavities that open to the outside
Nasal Cavity
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3 Body Cavities that do not open to outside:
Thoracic Cavity, Abdominal Cavity, Pelvic Cavity
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surrounds the thoracic cavity
Rib cage
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separates abdominal cavity and thoracic cavity
Muscular Diaphragm
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divides the thoracic cavity into left and right parts contains the HEART, THE THYMUS, THE TRACHEA, THE ESOPHAGUS, AND OTHER STRUCTURES, SUCH AS BLOOD VESSELS AND NERVES.
Mediastinum
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primarily enclose the abdominal cavity
Abdominal Muscles
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contains the STOMACH, INTESTINES, LIVER, SPLEEN, PANCREAS, & THE KIDNEYS.
Abdominal Cavity
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encase the pelvic cavity
Pelvic Bones
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houses the URINARY BLADDER, PART OF THE LARGE INTESTINE, AND INTERNAL REPRODUCTIVE ORGANS.
Pelvic Cavity