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Biology 18 Online
OpenStudy (anonymous):

Oxygen enters the blood in..... a.) bronchi b.) pharynx c.) larynx d.) alveoli

OpenStudy (anonymous):

@iGreen @AnswerMyQuestions

OpenStudy (anonymous):

Can anyone help?

OpenStudy (anonymous):

I'm not sure. Sorry. \(\Huge\ddot{\large\frown}\)

OpenStudy (anonymous):

Hello can anyone help????

OpenStudy (anonymous):

@YOLO_KING

OpenStudy (anonymous):

anyone

OpenStudy (anonymous):

d.) alveoli

OpenStudy (yolo_king):

@sikinder is correct, http://www.infoplease.com/dk/science/encyclopedia/respiratory-system.html

OpenStudy (anonymous):

thxs guys

OpenStudy (anonymous):

ur welcome. if u have any doubt regarding anything u can ask me @Hayhaywild002

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