During swallowing of food, ______ is the opening covered by epiglottis.
trachea
glottis
larynx
epiglottis
Additional Questions
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The amount of air a person takes in during normal, restful breathing is called the ______. |
Answer |
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During which respiration, the respiratory pigment hemoglobin combines with oxygen in the lungs? |
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Each of the alveolar sac is surrounded by |
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Enzyme carbonic anhydrase, in ______ speeds up the reaction. |
Answer |
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Esophagus opens only during |
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Exchange of oxygen and carbon dioxide between alveolar air and blood is governed by _______. |
Answer |
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Hamburger's phenomenon is also called |
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Hemoglobin retains oxygen and releases it in the ______. |
Answer |
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Human nose contains ______ nasal cavities |
Answer |
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In the human body which concentration is regulated mainly by the kidneys? |
Answer |