Poppy tried her best to look enthused and stayed fairly polite, but it wasn't too hard to notice she kept glancing at the clock. She has homework to do, and clubs to work on, and Muggleborns to save, Professor. Do we really have time for this?
When it was her turn to share, she blinked and ended up blurting a random medical fact instead of anything productive. "The aorta - the largest artery in the human body - is almost the diameter of an average garden hose?"