Disection Identification Flashcards
Olfactory lobe
Identifies what the shark sees
Pelvic fins
Stabilization
Liver
Creates bile
Pancreas
Produces fluid that breaks down digestive enzymes
Cloaca
Exit hole for solid waste
Conus arteriosus
Regulates blood pressure to gills
Kidney
Removes nitrogen waste from blood
Rectal gland
Removes salt from blood so cells won’t crenate
Mouth
Food enters (does not chew)
Oviduct
Eggs are fertilized
Spiral valve
Increases surface area for absorption of nutrients
Spiral intestine
Absorbs nutrients from the food
Rugae
Helps to break up food substances
ventricle
Carries oxygenated blood away from gills
Atrium
Pumps blood to ventricle
Nostril nares
Collect chemical scent
Gall bladder
Stores bile and transports the bike to spiral intestine
Olfactory sac
Collects chemical scents
Optic lobe
Receives and integrates information from the optic nerve
Pectoral fin
Steering left/right and up/down
Eyes
Collect visual images
Shell gland
Secretes a thin shell around 2 or 3 eggs
Stomach
Breaks down food
Lateral line
Allows shark to detect movement in the water
(Caudal) dorsal fin
Stabilization
Ovary
Where female produces eggs
Uterus
Holds fertilized eggs for up to 2 years
Cerebrum
Thinking part of brain, decides action
Cerebellum
Receives Info from 4 parts of the brain and coordinates muscular movement
(Ventral lobe) caudal fun
Moves forward
Medulla ologata
Regulates the circulatory system
Spiracles
Opening where water passes when mouth is closed
Optic nerve
Sends images from eye to lobe
Pelvic fins
Stabilization
Gills
Extract oxygen from water