32.3 body cavities Flashcards
1
Q
most tripoblastic animals have a
A
body cavity
2
Q
body cavity
A
a fluid or air filled space separating digestive tract from outer body wall
3
Q
coelom
A
AKA body cavity
4
Q
function of the body cavity
A
the fluid cushions suspended organs -prevents internal injury -allows internal organs to grow and move independent to the outer body wall
5
Q
animals with a true coelom
A
coelomates-
6
Q
pseudocoelomates
A
digestive tract not lined
7
Q
acoelomates
A
no body cavity