fish quiz

protects gills and helps pump water across for breathing

operculum

Detects vibrations, water currents, and pressure changes.

Lateral Line

Steering, maneuvering, braking, and balance.

Pectoral Fin

Stabilization and balance during swimming.

Pelvic Fin

Prevents rolling and stabilizes the body

Anal Fin

Main source of propulsion (forward movement).

Caudal Fin

 Eliminates digestive waste.

Anus

Flexible support for fins; aid swimming.

Fin Rays

Rigid support and protection/defense.

Fin Spines

Releases urine and reproductive products (eggs or sperm).

Urogenital Opening

Pumps blood through the circulatory system.

Heart

Supports gill filaments and gill rakers.

Gill arch

Site of gas exchange (oxygen in, carbon dioxide out).

Gill filament

Filters food particles and protects gill filaments.

Gill Raker

Produces bile, stores nutrients, and detoxifies substances.

Liver

Controls buoyancy and helps maintain depth in water.

Air bladder

Stores food and begins digestion.

Stomach

Produces egg or sperm

Gonad

Removes wastes and regulates water/salr balance

Kidney

Increases digestive surface area; digestion and absoption

pyloric caeca