Science, asked by umeshkesharwani599, 4 months ago

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Answered by radha3858
1

Answer:

Spiracles = an external respiratory opening, especially each of a number of pores on the body of an insect, or each of a pair of vestigial gill slits behind the eye of a cartilaginous fish.

Breathing rate = The respiratory rate is the rate at which breathing occurs. This is usually measured in breaths per minute and is set and controlled by the respiratory centre.

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