Chromatophores being the general term, a squid uses cells called melanophores and erythrophores mainly to communicate with each other. An example of this is the Humbolt Squid which uses flashes of red and white to communicate.
Cecum
A cecum is a primitive rectum, where both solid and liquid waste collect before being expelled from the animal's body.
The cecum and appendix in the digestive system serve as reservoirs for beneficial bacteria and aid in immune function.
The function squid testis is to produce sperm during reproduction.
Almost all of the organs in a body have a function. A squid's liver helps in absorbing the food consumed by the squid.
The appendix hangs off the end of the cecum.
to see
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to BREATH!
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The function of a Squid's Oviducal Gland is to secrete a jelly like coating around the eggs.