Far more interesting but relevant fact; Giraffes are at the very edge of physical adaption. In the fantastic Channel-4 TV series Inside Nature's Giants (https:

Far more interesting but relevant fact; Giraffes are at the very edge of physical adaption. In the fantastic Channel-4 TV series Inside Nature's Giants (https://en.wikipedia.org/wiki/Inside_Nature%27s_Giants https://en.wikipedia.org/wiki/Inside_Nature%27s_Giants) they dissect a giraffe and show how their anatomy/physiology is adapted to handle extreme blood pressure (because their heart needs to pump blood to the brain through the long neck against gravity). But that same pressure when sent down to the legs will burst their blood vessels. So how does cardiovascular adaptation work in this case? Read these to find out; 1) How giraffes deal with sky-high blood pressure - https://www.bbc.com/future/article/20210803-how-giraffes-deal-with-sky-high-blood-pressure https://www.bbc.com/future/article/20210803-how-giraffes-dea... 2) The Remarkable Cardiovascular System of Giraffes - https://www.annualreviews.org/content/journals/10.1146/annurev-physiol-031620-094629 https://www.annualreviews.org/content/journals/10.1146/annur... 3) How long limbs reduce the energetic burden on the heart of the giraffe - https://journals.biologists.com/jeb/article/228/20/jeb251092/369564/How-long-limbs-reduce-the-energetic-burden-on-the https://journals.biologists.com/jeb/article/228/20/jeb251092... 4) Giraffe dissection episode (must watch!) - https://www.youtube.com/watch?v=pkhztOqKYIc https://www.youtube.com/watch?v=pkhztOqKYIc PS: Inside Nature's Giants is one of the best scientific series which everybody should watch, particularly students. This is how evolution should be taught; all episodes on Youtube - https://www.youtube.com/results?search_query=inside+nature%27s+giants https://www.youtube.com/results?search_query=inside+nature%2...