EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In an insects trachea, the air enters or leaves through breathing pores known as
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valves
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tracheoles
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spiracles
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air sac
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Explanation:
Detailed explanation-1: -Oxygen and carbon dioxide gases are exchanged through a network of tubes called tracheae. Instead of nostrils, insects breathe through openings in the thorax and abdomen called spiracles. Insects that are diapausing or non-mobile have low metabolic rates and need to take in less oxygen.
Detailed explanation-2: -(A) Bugs take air in through holes on the outside of their bodies. These holes are called spiracles.
Detailed explanation-3: -: any of the openings in the body of an arthropod and especially of an insect through which air enters a trachea.
There is 1 question to complete.