The body organs of a mollusk is in a fluid-filled cavity in it's body. *;)*
the cover of a mollusk is the mantel
in the respiratory system.
in the respiratory system.
the cover of a mollusk is the mantel
the function of the its shell is to protect the mollusk's very vulnerable and sensitive organs.
heart
the cover of a mollusk is the mantel
visceral mass
Visceral mass
grills
The visceral mass
TORISON