| Answer | Crossword Clue |
|---|---|
| airshed | the air supply of a given region |
| airsheds | AIRSHED, the air supply of a given region |
| infarction | The obstruction of the blood supply to an organ or region of tissue, typically by a thrombus or embolus, causing local death of the tissue |
| infarctions | The obstruction of the blood supply to an organ or region of tissue, typically by a thrombus or embolus, causing local death of the tissue |
| avifauna | the birds of a given region, considered as a whole |
| aerotropic | growth or movement in the direction of a supply of air or oxygen |
