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Side A ------ Side B
protection of the skin ------ placoid scales
controlling the sharks direction as it swims ------ Fins (except caudal)
Propelling the shark ------ tail and caudal fin
grsping prey and cutting off pieces of meat, but not chewing ------ teeth
discharges water that has come in through the mouth and passed over the gills ------ external gill slits
swallowing and also passing incoming water to gills ------ pharynx
heavily vascularized, feathery fans of tissue that take oxygen from the water passing over them and discharge carbon dioxide to it ------ gills
allowing water to enter the mouth of the shark when it is holding food in its jaw ------ spiracle
canals from top of head to inner ear (possibly a role in equillibrium) ------ endolymphatic pores
sample of water for odors ------ external nares
sensing minute electrical fields given off by prey ------ ampullae of lorenzini
sensing tiny pressure disturbances in the water, such as those made by swimming prey ------ lateral line system
outlet for feces, urine, and reproductive products ------ cloaca
dischares urine and sperm into the cloaca in the male ------ urogenital papilla
discharges urine into the cloaca in the female ------ urinary papilla
unknown by may equalize pressures in the body cavity and external environment or outlet excess coelomic fluid ------ abdominal pores
introduction of sperm into female's cloaca. ------ claspers
carries sperm on the claspers ------ doral grooves
body cavity caudal to the transverse septum; holds all abdominal organs ------ pleuroperitoneal cavity
body cavity cranial to the transverse septum ------ pericardial cavity
sheet of tissue separating the pleuroperitoneal and pericardial cavities ------ transverse septum
loose connective tissue convered with squamous epithelium, covers the organs ------ visceral peritoneum
sheets of peritoneum that attach organs to the body wall ------ mesentery
holds the oil that gives the shark buoyancy, many digestive functions such as storing nutrients and transforming food molecules arriving from the gut ------ liver
storing bile, a liquid that breaks up fat droplets in the gut ------ gall bladder
passing food from the pharynx to the stomach ------ esophagus
storing of meals until digestion can begin ------ stomach
initial digestion of food ------ stomach
allowing the stomach to expand as food is taken in ------ rugae
a muscular, narrow portion of stomach that controls entry of food from the stomach into the duodenum ------ pylorus
secretion of many digestive enzymes ------ pancreas
blood reservoir, immune functions ------ spleen
the portion of the small intenstine just beyond the pylorus; many digestive secretions are added to the gut ehre ------ duodenum
largest middle portion of the intestive; digestion and nutrient absorption ------ ileum
narrow portion of the intestive cranial to the rectal gland; formation of feces ------ colon
portion of intestine caudal to the rectal gland; elimination of feces ------ rectum
slowing the progess of food through the ileum; increasing internal surface area of ileum ------ spiral valve
removes excess salts from the sharks circulation ------ rectal gland
salt and water balance, eliminating toxic wastes ------ kidneys
carries urine in both sexes and sperm in males ------ opisthonephric duct
making sperm ------ testes
mestentary attaching ovaries to the body wall ------ mesorchium
storage of sperm and passing of sperm to the sperm sacs ------ seminal vesicles
a space formed by the union of the two sperm sacs in the male ------ urogenital sinus
making eggs ------ ovaries
where are eggs released? ------ into the coelom
takes in immature eggs from the coelom and passes them to the oviducts ------ ostium tubae
secreats a membranous shell around groups of eggs and also serves a reservoir for sperm from the male ------ shell gland
passes the eggs from the ostium tubae to the uterus ------ oviduct
stores and nutures the developing embryo ------ uterus
covers the heart ------ pericardial membrane
filled with fluid that reduces friction between the beating heart and surrounding structures ------ pericardial cavity
receives blood from the body and passes it to the atrium ------ sinus venosus
pumps blood into the ventricle ------ atrium
the most muscular portion of the heart; pumps blood into the bentral aorta through the gills and then around the circulatory system. ------ ventricle
conducts blood from the ventricle to the ventral aorta ------ conus asteriosus
conduct blood from the ventral aorta to the gills ------ afferent branchial arteries
conduct blood from the gills to the dorsal aorta ------ efferent branchial arteries
carries oxygenated blood from the gills to the body ------ dorsal aorta
lead from the pharynx to the gill chambers ------ internal gill slits
a cartilage skeletal element that supports the gills ------ gill arch
protect the gills from food in the sharks mouth ------ gill rakers
unknown but perhaps preventing swallowed food particles from coming up the espophagus ------ esophageal papillae
not fully known but probably muscular coordination ------ cerebellum
processin of visual data ------ optic lobes
not fully known but probably control of simple relexes like blood pressure, heart rate, etc ------ medulla
not fully known but probably processing sensory information and sending signals to the muscles ------ cerebrum
processing of chemical stimuli in the water ------ olfactory lobes

Side A ------ Side B
protection of the skin ------ placoid scales
controlling the sharks direction as it swims ------ Fins (except caudal)
Propelling the shark ------ tail and caudal fin
grsping prey and cutting off pieces of meat, but not chewing ------ teeth
discharges water that has come in through the mouth and passed over the gills ------ external gill slits
swallowing and also passing incoming water to gills ------ pharynx
heavily vascularized, feathery fans of tissue that take oxygen from the water passing over them and discharge carbon dioxide to it ------ gills
allowing water to enter the mouth of the shark when it is holding food in its jaw ------ spiracle
canals from top of head to inner ear (possibly a role in equillibrium) ------ endolymphatic pores
sample of water for odors ------ external nares
sensing minute electrical fields given off by prey ------ ampullae of lorenzini
sensing tiny pressure disturbances in the water, such as those made by swimming prey ------ lateral line system
outlet for feces, urine, and reproductive products ------ cloaca
dischares urine and sperm into the cloaca in the male ------ urogenital papilla
discharges urine into the cloaca in the female ------ urinary papilla
unknown by may equalize pressures in the body cavity and external environment or outlet excess coelomic fluid ------ abdominal pores
introduction of sperm into female's cloaca. ------ claspers
carries sperm on the claspers ------ doral grooves
body cavity caudal to the transverse septum; holds all abdominal organs ------ pleuroperitoneal cavity
body cavity cranial to the transverse septum ------ pericardial cavity
sheet of tissue separating the pleuroperitoneal and pericardial cavities ------ transverse septum
loose connective tissue convered with squamous epithelium, covers the organs ------ visceral peritoneum
sheets of peritoneum that attach organs to the body wall ------ mesentery
holds the oil that gives the shark buoyancy, many digestive functions such as storing nutrients and transforming food molecules arriving from the gut ------ liver
storing bile, a liquid that breaks up fat droplets in the gut ------ gall bladder
passing food from the pharynx to the stomach ------ esophagus
storing of meals until digestion can begin ------ stomach
initial digestion of food ------ stomach
allowing the stomach to expand as food is taken in ------ rugae
a muscular, narrow portion of stomach that controls entry of food from the stomach into the duodenum ------ pylorus
secretion of many digestive enzymes ------ pancreas
blood reservoir, immune functions ------ spleen
the portion of the small intenstine just beyond the pylorus; many digestive secretions are added to the gut ehre ------ duodenum
largest middle portion of the intestive; digestion and nutrient absorption ------ ileum
narrow portion of the intestive cranial to the rectal gland; formation of feces ------ colon
portion of intestine caudal to the rectal gland; elimination of feces ------ rectum
slowing the progess of food through the ileum; increasing internal surface area of ileum ------ spiral valve
removes excess salts from the sharks circulation ------ rectal gland
salt and water balance, eliminating toxic wastes ------ kidneys
carries urine in both sexes and sperm in males ------ opisthonephric duct
making sperm ------ testes
mestentary attaching ovaries to the body wall ------ mesorchium
storage of sperm and passing of sperm to the sperm sacs ------ seminal vesicles
a space formed by the union of the two sperm sacs in the male ------ urogenital sinus
making eggs ------ ovaries
where are eggs released? ------ into the coelom
takes in immature eggs from the coelom and passes them to the oviducts ------ ostium tubae
secreats a membranous shell around groups of eggs and also serves a reservoir for sperm from the male ------ shell gland
passes the eggs from the ostium tubae to the uterus ------ oviduct
stores and nutures the developing embryo ------ uterus
covers the heart ------ pericardial membrane
filled with fluid that reduces friction between the beating heart and surrounding structures ------ pericardial cavity
receives blood from the body and passes it to the atrium ------ sinus venosus
pumps blood into the ventricle ------ atrium
the most muscular portion of the heart; pumps blood into the bentral aorta through the gills and then around the circulatory system. ------ ventricle
conducts blood from the ventricle to the ventral aorta ------ conus asteriosus
conduct blood from the ventral aorta to the gills ------ afferent branchial arteries
conduct blood from the gills to the dorsal aorta ------ efferent branchial arteries
carries oxygenated blood from the gills to the body ------ dorsal aorta
lead from the pharynx to the gill chambers ------ internal gill slits
a cartilage skeletal element that supports the gills ------ gill arch
protect the gills from food in the sharks mouth ------ gill rakers
unknown but perhaps preventing swallowed food particles from coming up the espophagus ------ esophageal papillae
not fully known but probably muscular coordination ------ cerebellum
processin of visual data ------ optic lobes
not fully known but probably control of simple relexes like blood pressure, heart rate, etc ------ medulla
not fully known but probably processing sensory information and sending signals to the muscles ------ cerebrum
processing of chemical stimuli in the water ------ olfactory lobes