words to know Flashcards
(35 cards)
Olfactory tract
tube that send scent to the middle area
pelvic fins
stabilization
caudal fin (dorsal lobe)
movement forward
dorsal = back
liver
creates bile
pancreas
produces enzymes that are released into the bloodstream
cloaca
exit hole for male
entrance and exit hole for female
kidney
removes nitrogen waste from blood
rectal gland
remove salt from the sharks body out of the cloaca and from the blood to keep cells from crenating
mouth
Area where food enters but does not chew
oviduct
Area where eggs are fertilized
spiral valve
increase surface area in the spiral intestines to help absorb nutrients
olfactory sac
collects chemical sense in the water
optic lobe
identification of what the shark sees
pectoral fin
stearin left/right and up/down
eye
used for vision
shell gland
creates a thin shell over 2-3 eggs for protection
stomach
breaks down food
lateral line
detects movement in the water
dorsal fin (caudal)
stabilization
caudal= tail
ovary
where female produces her eggs
uterus
area where fertilized eggs are held for up to 2 years
cerebrum
thinking part of the brain; decides action
cerebellum
receives info from 4 parts of the brain and reacts; muscle movement
Caudial fin (ventral lobe)
movement forward
ventral=front