words to know

Question 1

Olfactory tract

Answer 1

tube that send scent to the middle area

Question 2

pelvic fins

Answer 2

stabilization

Question 3

caudal fin (dorsal lobe)

Answer 3

movement forward

dorsal = back

Question 4

liver

Answer 4

creates bile

Question 5

pancreas

Answer 5

produces enzymes that are released into the bloodstream

Question 6

cloaca

Answer 6

exit hole for male

entrance and exit hole for female

Question 7

kidney

Answer 7

removes nitrogen waste from blood

Question 8

rectal gland

Answer 8

remove salt from the sharks body out of the cloaca and from the blood to keep cells from crenating

Question 9

mouth

Answer 9

Area where food enters but does not chew

Question 10

oviduct

Answer 10

Area where eggs are fertilized

Question 11

spiral valve

Answer 11

increase surface area in the spiral intestines to help absorb nutrients

Question 12

olfactory sac

Answer 12

collects chemical sense in the water

Question 13

optic lobe

Answer 13

identification of what the shark sees

Question 14

pectoral fin

Answer 14

stearin left/right and up/down

Question 15

eye

Answer 15

used for vision

Question 16

shell gland

Answer 16

creates a thin shell over 2-3 eggs for protection

Question 17

stomach

Answer 17

breaks down food

Question 18

lateral line

Answer 18

detects movement in the water

Question 19

dorsal fin (caudal)

Answer 19

stabilization

caudal= tail

Question 20

ovary

Answer 20

where female produces her eggs

Question 21

uterus

Answer 21

area where fertilized eggs are held for up to 2 years

Question 22

cerebrum

Answer 22

thinking part of the brain; decides action

Question 23

cerebellum

Answer 23

receives info from 4 parts of the brain and reacts; muscle movement

Question 24

Caudial fin (ventral lobe)

Answer 24

movement forward

ventral=front

Question 25

dorsal fin (cranial)

Answer 25

stabilization

cranial = head

Question 26

gills

Answer 26

extract oxygen from water

Question 27

gall bladder

Answer 27

stores bile and transports it to the spiral intestine

Question 28

spiral intestines

Answer 28

absorbs nutrients from the food

Question 29

spiracle

Answer 29

opening where water enters when the mouth is closed

Question 30

nostril nares

Answer 30

openings that collect chemical sense in the water

Question 31

conus arteriosus

Answer 31

main artery that pumps blood away from the heart to the shark

Question 32

atrium

Answer 32

pumps blood from sinus veneous into the ventricle

Question 33

ventricle

Answer 33

pushes the blood into the conus arteriosus

Question 34

optic nerve

Answer 34

carries sensory information from the retina to the optic lobe

Question 35

medulla oblongata

Answer 35

controls the circulatory system