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Practical #2 Bio 1220
Protostome and Deuterostome Animal Structure Functions
Squid
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Cards (22)
Tentacle
:
Function
: Used for capturing prey and exploration. (Capture)
Sucker
:
Function
: Grasps and holds onto objects or prey. (Grasping)
Arms
: Function:
Manipulate
and
transport food
to the
mouth.
(Manipulation)
Buccal Mass
: Function:
Crushes and grinds food before swallowing.
(Grinding)
Beak
: Function:
Cuts and tears food into smaller pieces.
(Cutting)
Eye
: Function: Provides vision and detects light and movement. (
Vision
)
Siphon
: Function: Propels the squid by expelling water. Word:
Propulsion.
Siphon
: Function:
Propels the squid by expelling water.
(Propulsion)
Digestive Glands
:
Function
: Secrete enzymes for digestion. (Digestion)
Ink Sac
: Function:
Releases ink as a defense mechanism.
(Defense)
Rectum
:
Function
: Stores waste before expulsion. (Storage)
Ctenidium
: Function:
Facilitates gas exchange for respiration.
(Respiration)
Kidney
: Function:
Filters waste
and
regulates ion balance.
(Filtration)
Siphon Reactor Muscle
: Function: Controls the siphon's movements. (Control)
Branchial
Heart
:
Function
: Helps in
circulating blood
to the
gills.
(Circulation)
Systemic Heart
: Function:
Pumps oxygenated blood
to the body. (Pumping)
Stomach
: Function:
Breaks down food with digestive juices.
(Digestion)
Cecum
: Function: Aids in
digestion
and
nutrient absorption.
(Absorption)
Penis
: Function:
Transfers sperm during reproduction.
(Reproduction)
Seminal Vesicle
: Function: Stores and transports sperm. (Storage)
Testis
: Function:
Produces sperm.
(Sperm production)
Fin
: Function: Provides
stability
and
aids
in maneuvering. (
Stability
/
locomotion
)