In free-living flatworms, the tube like muscular organ 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 and certain substances into excretory tubules for elimination outside the body

Group of nerve-cell bodies that coordinates incoming and outgoing nerve impulses

Ability to replace or regrow body parts missing due to predation or damage

Parasitically adapted, knob like anterior end of a tapeworm, having hooks and suckers that attach to the host's intestinal lining

Continuously formed, detachable section of a tapeworm that contains male and female reproductive organs, flame cells, muscles, and nerves; breaks off wen it eggs are fertilized and passes out of the host's intestine

the pseudocoelom in roundworms; the fluid within a closed space that gives rigid supportcfor muscles to work against

Disease caused by eating raw or undercooked meat, usually pork, infected with Trichinella larva

membrane that surrounds a mollusk's internal organs

Rasping tongue like 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 a 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 movement appears jet-propelled

Sac in which food and soil are stored until they pass to the earthworm's gizzard

Muscular sac in birds that contains 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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Chapter 25 Vocab b.2

vocab

Term	Definition
Pharynx	In free-living flatworms, the tube like muscular organ 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 and certain substances into excretory tubules for elimination outside the body
Ganglion	Group of nerve-cell bodies that coordinates incoming and outgoing nerve impulses
Regeneration	Ability to replace or regrow body parts missing due to predation or damage
Scolex	Parasitically adapted, knob like anterior end of a tapeworm, having hooks and suckers that attach to the host's intestinal lining
Proglottid	Continuously formed, detachable section of a tapeworm that contains male and female reproductive organs, flame cells, muscles, and nerves; breaks off wen it eggs are fertilized and passes out of the host's intestine
Hydrostatic Skeleton	the pseudocoelom in roundworms; the fluid within a closed space that gives rigid supportcfor muscles to work against
Trichinosis	Disease caused by eating raw or undercooked meat, usually pork, infected with Trichinella larva
Mantle	membrane that surrounds a mollusk's internal organs
Radula	Rasping tongue like 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 a 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 movement appears jet-propelled
Crop	Sac in which food and soil are stored until they pass to the earthworm's gizzard
Gizzard	Muscular sac in birds that contains 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: Emmelee

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