Worms in brain

Discover Pinterest’s best ideas and inspiration for Worms in brain. Get inspired and try out new things.
58 people searched this
·
Last updated 5d
How Many Hearts Does an Earthworm Have? | Sciencing The Babadook, Bug Off, Worm Composting, Worm Farm, Chicken Garden, Cool Bugs, Earthworms, Creepy Crawlies, Chickens Backyard

Earthworms do not have a multichambered heart like mammals or reptiles but instead have a series of single-chambered aortic arches, or "psuedohearts," that pump blood through the circulatory system. Some biologists argue that these structures are indeed hearts, but whether they can be considered true hearts or not, the average earthworm has five of these circulatory-system structures arranged consecutively.

562

Related interests