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Which of the following animals use positive pressure breathing to ventilate its lungs?

Preet

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6 years ago

Which of the following animals use positive pressure breathing to ventilate its lungs?

Which of the following animals use positive pressure breathing to ventilate its lungs?

a. a bird
b. a frog
c. a dog
d. a reptile
e. a human

Question 2

Where in an insect tracheal system does gas exchange occur between the air and a cell?

a. trachea
b. tracheal branches
c. gill filaments
d. tracheoles
e. spiracles

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sosobon

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Preet Author

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#2

6 years ago

What an excellent community, thanks for answering

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