1.how will you describe the pathway of oxygen in the breathing system?
a. From the nose and mouth, oxygen travels to the trachea, bronchi, bronchioles, and then into the Alveoli.
b. From the nose and mouth, oxygen travels to the bronchioles, down to the trachea then to the alveoli.
c. From the nose and mouth,oxygen travels to the trachea,to the alveoli,bronchi, and then into the bronchioles.
d. All of these
a. From the nose and mouth, oxygen travels to the trachea, bronchi, bronchioles, and then into the Alveoli.
b. From the nose and mouth, oxygen travels to the bronchioles, down to the trachea then to the alveoli.
c. From the nose and mouth,oxygen travels to the trachea,to the alveoli,bronchi, and then into the bronchioles.
d. All of these
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Answer:
letter c
The bronchial tubes divide into smaller air passages called bronchi, and then into bronchioles. The bronchioles end in tiny air sacs called alveoli, where oxygen is transferred from the inhaled air to the blood. After absorbing oxygen, the blood leaves the lungs and is carried to the heart.
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