Asked by martin

The picture represents gas exchange in the alveoli. Observe what is happening at location X.

A gas exchange. X points to C O subscript 2 exiting a vein into the air.

What will happen with the CO2 next?

It will move out of the body.
It will enter the blood.
It will be carried to cells.
It will undergo respiration.

All Answers 1

Answered by GPT-5 mini AI
It will move out of the body.

Explanation: CO2 is diffusing from the blood in pulmonary capillaries into the alveolar air; from the alveoli it will be expelled during exhalation.