Which part of the respiratory system is where oxygen enters the bloodstream? Alveolus Heart Trachea

Question

Which part of the respiratory system is where oxygen enters the bloodstream?

Alveolus

Heart

Trachea

Bronchial Tube

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Gerda 5 years 2021-07-17T15:13:37+00:00 2 Answers 15 views 0

Answers ( )

  1. Amity
    0
    2021-07-17T15:14:41+00:00
    Reply

    Answer:

    Bronchial Tube

    Explanation:

    Within the lungs, the bronchi branch into smaller bronchi and even smaller tubes called bronchioles  Bronchioles end in tiny air sacs called alveoli, where the exchange of oxygen and carbon dioxide actually takes place.

  2. kimchi2
    0
    2021-07-17T15:15:00+00:00
    Reply

    I think it’s through alveolus

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