How many hearts does an octopus have?
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
- Home
- How do sea stars move?
“Sea stars move using hundreds of tiny tube feet.”
Reference: NOAA
More from this shelf
Are starfish fish?
Starfish aren't fish, so scientists prefer to call them sea stars.
Can an octopus's arms think for themselves?
About two-thirds of an octopus's neurons are in its arms, so each arm can sense and react somewhat independently of the brain.