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ch 25 vocab

vocab

QuestionAnswer
pharynx tubelike muscular organ
flame cell excretory substances into tubules
ganglion is a group of nerve cells bodies that coordinates incoming and outgoing nerve signals
regeneration a process in which body parts that are missing due to damage or predation can be regrown
scolex a knob-shaped structure with hooks and suckers that attach to the intestinal to the intestinal lining of a host such as a cow or a human.
proglottid contains muscles nerves flame cells and male and female reproductive organs.
hydrostatic skeleton fluid within a closed space that provides rigid support for muscles to work against.
trichinosis can be contracted by eating raw or undercooked pork and pork products
mantle a membrane that surrounds the internal organs of the mollusk
gill parts of the mantle that consist of a system of filamentous projections like the fringes of a blanket
open circulatory system blood is pumped out of vessels into open space surrounding the body organs
closed circulatory system blood is confined to vessels as it moves through the body.
nephridium most mollusks get rid of metabolic wastes from cellular processes through structures called nephridia.
siphon octopuses and squids take water into there mantle cavity and expel it through a tube
crop stores food till it till it passes though the gizzard
gizzard a muscular sac containing hard particles that help grind soil and food
seta are tiny bristles that push into the soil and anchor the worm during movement
clitellum a thickened band of segments
Created by: jasontom
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