Question

give the path travelled by a molecule of oxygen when it enters the body​

Answer 1

Answer:

through the nose,food pipe,lungs into the,bronchi ,alveoli and to the bloodstream and haemoglobin

Answer 2

Answer:

hi friend

ur solution

Explanation:

.First it go into nose than pharynx than trachea than bronchi than lung tuan it goes to alveoli where it is diffusion occurs than go into blood then In blood it bind with rbc hemoglobin

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