| External Features | Defense Mechanisms | Digestive & Circulatory Systems | Reproductive System | Grab Bag |
|---|---|---|---|---|
100What is the Mantle?
This is also known as the body of the squid and contains most of the internal organs.
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100What is inking?
The squid releases a substance through the siphon to confuse predators.
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100What is the esophagus?
This organ goes through the brain to the stomach.
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100What are gonads?
The reproductive organs of any squid.
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100What is "Cephala"?
This prefix means "head".
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200What are chromatophores?
The pigmented sacs located all over the body of the squid that aid in camouflage and communication.
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200What is jet propulsion?
The squid shoots a powerful stream of water to help it get away from a predator.
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200What is the cecum?
Large organ that contains digestive juices that break down food particles.
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200What are nidamental glands?
These glands are found only in females. They release a gel over the eggs to help protect them.
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200What is posterior view?
From this view you can see the siphon.
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300What are clubs?
Located on the end of the feeding tentacles. They contain large suction cups.
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300What is the siphon?
Inking and Jet Propulsion are possible because of this structutre.
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300What are the branchial hearts?
These organs are located on the gills.
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300What are testes?
The male gonad.
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300What is the ventral end?
This end of the squid contains the head and tentacles.
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400What are fins?
Structures located on the dorsal end of the squid that aid in swimming.
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400What is the pen?
This structure made of thin cartilage found inside the mantle helps keep the mantle rigid during jetting.
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400What is oxygen poor blood?
This type of blood is brought to the gills by the branchial hearts.
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400What are ovaries?
The female organs that produce eggs.
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400What is Cephalopoda?
Squid belong to this class.
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500What are arms?
These structures help hold the food once it has been caught.
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500What are suction cups?
Although primarily used to help squid grasp food, these structures can also help fight off predators.
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500What is the systemic heart?
This carries oxygen rich blood to the body.
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500What is the egg sac?
This structure holds eggs in the female.
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500What is Mollusca?
Squid belong to this phylum.
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