Today I learned on Nostr: TIL spiders lack leg muscles and instead extend their legs through a hydraulic system ...

TIL spiders lack leg muscles and instead extend their legs through a hydraulic system powered by their blood pressure. Upon death, the legs curl up due to the loss of blood pressure.

http://www.wikipedia.org/wiki/Spider#Locomotion/
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1b0coee/til_spiders_lack_leg_muscles_and_instead_extend/