Question

Oxygen enters the blood in the
A-bronchi
B-pharynx
C-larynx
D-alveloi

Answer 1

The bronchi, pharynx and larynx are not involved in oxygenating the blood but the alveoli coat the lungs. Therefore, you can conclude that these small structures are in charge of delivering oxygen to the blood.

Answer 2

D-alveloi, Alveoli are tiny sacs within our lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream. However, bronchi are secondary passage ways for are in our lungs which lead to bronchioles.

Answer 3

Bronchi - is an airway in the respiratory tract that conducts air into the lungs
Pharynx - medical term for "throat"
Larynx - hollow muscular organ forming an air passage to the lungs and holding the vocal cords
Alveoli - tiny sacs within our lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream

Answer 4

^hope that helped

Answer 5

A