Which occurs as part of gas exchange?
oxygen is exhaled
carbon dioxide is inhaled
carbon dioxide diffuses from the trachea to blood in capillaries
oxygen diffuses from alveolar sacs to blood in capillaries

Question

Which occurs as part of gas exchange?
oxygen is exhaled
carbon dioxide is inhaled
carbon dioxide diffuses from the trachea to blood in capillaries
oxygen diffuses from alveolar sacs to blood in capillaries

sreekar369 · Answer

option d

anonymous · Answer

Your answer would be D. Inhaled oxygen diffuses into the capillaries from the alveoli, while carbon dioxide diffuses into the alveoli. Carbon dioxide can then be exhaled out of the body.