16Heart CirculationMedium1 mark
Which row shows what is carried, and in which direction, by the pulmonary vein?
| what is carried | direction | |
|---|---|---|
| A | deoxygenated blood | from the heart |
| B | deoxygenated blood | to the heart |
| C | oxygenated blood | from the heart |
| D | oxygenated blood | to the heart |