Shark external & digestive/internal functions

Question 1

acousticolateralis system

Answer 1

hearing/vibrations, spatial orientation

Question 2

ampullae of Lorenzini

Answer 2

detect eletromagnetic fields

Question 3

clasper

Answer 3

males to transfer sperm during copulation

Question 4

cloaca - external

Answer 4

hole between pelvic fins, receive fecal material from digestive tract and products from kidneys and gonads

Question 5

endolymphatic pore

Answer 5

carry water into semicircular canals

Question 6

eye

Answer 6

sight

Question 7

gill slit

Answer 7

gas exchange, water that passes over gills exit through slits

Question 8

lateral line

Answer 8

acousticolateralis: mechanoreception- respond to stimuli

Question 9

nare

Answer 9

olfaction, smell

Question 10

spiracle

Answer 10

bring in water that passes across gills

Question 11

bile duct

Answer 11

transfer bile from gallbladder to duodenum

Question 12

cardiac stomach

Answer 12

initial digestion

Question 13

cloaca - digestive

Answer 13

ingested material pass thru and out of body

Question 14

dorsal lobe of pancreas

Answer 14

produce digestive enzymes

Question 15

gallbladder

Answer 15

store bile

Question 16

lesser omentum

Answer 16

connective membrane- contain bile duct, hepatic artery, hepatic portal vein

Question 17

liver

Answer 17

store oil, detoxify blood from digestive stystem before go to heart, produce bile

Question 18

pyloric stomach

Answer 18

additional digestion

Question 19

rectal gland

Answer 19

balance sodium chloride concentration of blood

Question 20

rugae

Answer 20

internal lining, ridges/folds in cardiac stomach, mix ingested food with digestive enzymes

Question 21

spiral intestine

Answer 21

nutrients absorbed

Question 22

spleen

Answer 22

maintain red blood cells- store, make new, break down

Question 23

ventral lobe of pancreas

Answer 23

produce digestive enzymes