in free living flatworms the tubelike muslucar organs that can extend out of the mouth and suck food particles into the digestive tract.

in flatworms a cilia lined bulblike cell that moves water adn certain substances into excretory tubules for elimanitoin outside the body.

group of nerve cell bodies that coordinates incoming and outgoing nerve impulses

ability to replace or regrow body parts misisng due to predation or damage.

parasitically adapted knoblike anterior end of a tapeworm having hooks and suckers that attaches to the hosts intestinal lining.

continuously formed detachable section of a tapeworm that contains male and female reproductive organs flame cell muscles and nerves breaks off when its egg are fertilized and passes out of the hosts intestine.

the pseudocoelom in roundworms the fluid within a closed space that gives rigid support for muscles to work against.

disease caused by eating raw or undercooked meat usually pork infected with trichenella iarvae.

membrane that surrounds a mollusks internal organs.

rasping tongulike organ with rows of teeth that many mollusks use in feeding.

respiratory structure of most mollusks and aquatic arthropods.

open circulatory system

blood is pumped out of vessels into open spaces surrounding body organs.

closed circulatory system

blood is confined to the vessels as it moves through the body.

structure through which most mollusks eliminate metabolic wastes from cellular processes.

tubular organ through which octopuses and squids eject water at times so rapidly that their movemetn appears jet propelled.

sac in which food and soil are stored until they pass to the earthworms gizzard

muscular sac in birds that contain hard particles that help grind soil and food before they pass into the intestine.

tiny bristle that digs into soil and anchors an earthworm as it moves forward.

thickened band of segments that produce a cocoon from which young earthworms hatch.

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ch 25 vocab

Question	Answer
pharynx	in free living flatworms the tubelike muslucar organs that can extend out of the mouth and suck food particles into the digestive tract.
flame cell	in flatworms a cilia lined bulblike cell that moves water adn certain substances into excretory tubules for elimanitoin outside the body.
ganglion	group of nerve cell bodies that coordinates incoming and outgoing nerve impulses
regeneration	ability to replace or regrow body parts misisng due to predation or damage.
scolex	parasitically adapted knoblike anterior end of a tapeworm having hooks and suckers that attaches to the hosts intestinal lining.
proglottid	continuously formed detachable section of a tapeworm that contains male and female reproductive organs flame cell muscles and nerves breaks off when its egg are fertilized and passes out of the hosts intestine.
hydrostatic skeleton	the pseudocoelom in roundworms the fluid within a closed space that gives rigid support for muscles to work against.
trichinosis	disease caused by eating raw or undercooked meat usually pork infected with trichenella iarvae.
mantle	membrane that surrounds a mollusks internal organs.
radula	rasping tongulike organ with rows of teeth that many mollusks use in feeding.
gill	respiratory structure of most mollusks and aquatic arthropods.
open circulatory system	blood is pumped out of vessels into open spaces surrounding body organs.
closed circulatory system	blood is confined to the vessels as it moves through the body.
nephridium	structure through which most mollusks eliminate metabolic wastes from cellular processes.
siphon	tubular organ through which octopuses and squids eject water at times so rapidly that their movemetn appears jet propelled.
crop	sac in which food and soil are stored until they pass to the earthworms gizzard
gizzard	muscular sac in birds that contain hard particles that help grind soil and food before they pass into the intestine.
seta	tiny bristle that digs into soil and anchors an earthworm as it moves forward.
clitellum	thickened band of segments that produce a cocoon from which young earthworms hatch.

Created by: joelsawyer

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