What about when the horse is sleeping?
I guess when the horse lays down the pumping force from the heart is enough to pump the blood back. Much less gravity to work against
horses sleep in a standing position.
(https://www.petmd.com/horse/do-horses-sleep-standing)
then you dont need that much circulation.
See https://news.ycombinator.com/item?id=48247471
I guess when the horse lays down the pumping force from the heart is enough to pump the blood back. Much less gravity to work against
horses sleep in a standing position.
(https://www.petmd.com/horse/do-horses-sleep-standing)
then you dont need that much circulation.
See https://news.ycombinator.com/item?id=48247471