Question

Annelids have a(an) ?????????????? circulatory system, in which blood is contained in a network of blood vessels.

Answer 1

what is the type of circulation when the blood is in the vessels??

Answer 2

hint: we humans have the same thing..

Answer 3

lol idk (/./)

Answer 4

what you squish a bug, how is its blood?
when you chop a chick, how do you see the blood?

Answer 5

is this your bio final?

Answer 6

no prep questions

Answer 7

it is called "closed" circulatory system

Answer 8

bugs, like wingspanroach, ants, etc have "open" circulatory system.

Answer 9

in open circulation, the blood is presevent everywhere.. no free space.. since the body size is so small
in closed, the body size can now grow very large because blood is transported exctly to where it is required

Answer 10

and hence, closed system is so efficient

Answer 11

ohhh ii see