Zuriz@sh.itjust.works to Science Memes@mander.xyzEnglish · 3 days agooxygen replenished via endocardial tubessh.itjust.worksimagemessage-square9fedilinkarrow-up1308arrow-down137file-text
arrow-up1271arrow-down1imageoxygen replenished via endocardial tubessh.itjust.worksZuriz@sh.itjust.works to Science Memes@mander.xyzEnglish · 3 days agomessage-square9fedilinkfile-text
minus-squareConfused_Emus@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up9·3 days agoNow I’m curious if it used to be normally “unfolded” somewhere in our evolutionary past.
minus-squaressillyssadass@lemmy.worldlinkfedilinkEnglisharrow-up11·3 days agoSimpler animals like insects and molluscs can have tube-like hearts, so it’s possible.
Now I’m curious if it used to be normally “unfolded” somewhere in our evolutionary past.
Simpler animals like insects and molluscs can have tube-like hearts, so it’s possible.