1) Muscle that separates the organs of the chest from the ones that are in the abdomen  a) Larynx b) Diaphragm c) Stomach d) Alveoli e) Trachea f) Nerves 2) The larynx protect the : a) Nose b) Mouth c) Lungs d) Brochi e) Trachea f) Vocal chords 3) The _____ is also called the voice box  a) Pharynx b) Lungs c) Nasal Cavity d) Alveoli e) Larynx f) Trachea 4) The ______ is divided into 2 cavities a) Mouth b) Nassal cavity c) Trachea d) Larynx e) Lungs f) Alveoli 5) Biological system that inhales oxygen and expels  carbon dioxide a) Circulatory system b) Respiratory  system c) Digestive system d) Excretory system 6) Exchange of oxygen and carbon dioxide is called a) Respiration b) Inhalation c) Exalation 7) On inhalation the diaphragm a) Contracts b) Relax 8) Part of the respiratory that transports the in and out of the lungs a) Nassal Cavity b) Pharynx c) Trachea d) Inhalation and Exhalation 9) The bronchi are __ tubes that branch from the trachea to the lungs a) 1 b) 2 c) 3 d) 7 10) The lungs are protected by the a) Ribcage  b) Femur c) Cranium d) Radio

Respiratory system

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