Unit 8: Shark Anatomy (Urogenital & Nervous)

Question 1

Creates eggs

Answer 1

Ovaries

Question 1

Gestation period for the shark

Answer 1

two years

Question 1

Senses changes in water temperature, pressure and weak electrical fields

Answer 1

ampullae of Lorenzini

Question 2

Nervous system parts considered the hindbrain

Answer 2

Optic nerve

Optic lobe

cerebellum

medulla oblongata

Question 2

Regulates the circulatory system

Answer 2

Medulla Oblongata

Question 3

caudal to the ductus deferens

Answer 3

seminal vesicles

Question 3

Structures that release the semen sperm mixture into the female’s cloaca

Answer 3

claspers

Question 4

Long and flat and run the length of the shark’s dorsal side from the pectoral fins to the pelvic fins.

Answer 4

kidneys

Question 4

Adds a shell around 2-3 eggs as they move caudally toward the uterus

Answer 4

shell gland

Question 4

Integrates and identifies the scents collected by the shark

Answer 4

Olfactory lobe

Question 4

Detects movement in the water

Answer 4

lateral line system

Question 6

Excretory structures that both the male and female sharks have in common

Answer 6

kidneys

rectal gland

cloaca

Question 6

Sends signals to and from the brain

Answer 6

spinal cord

Question 7

Collects chemical scents removed from the water by the nostril nares

Answer 7

Olfactory sac

Question 8

Decides the course of action based on the chemical scent identifications

Answer 8

cerebrum

Question 9

Removes salt from the shark’s body

Answer 9

rectal gland

Question 11

Excretory structures unique to the male

Answer 11

Accessory ducts

Question 13

Synthesizes the sperm and testosterone

Question 14

Term used to refer to vision

Answer 14

optic

Question 15

Connects the forebrain and the hindbrain

Answer 15

diencephalon

Question 16

Adds swimming fluid for the sperm to move in

Question 17

Stores urine before it is excreted out through the cloaca

Answer 17

urinary vesicle

Question 18

4 places that the cerebellum receives info from

Answer 18

lateral line

ampullae of Lorenzini

inner ear

spinal cord

Question 20

Site of fertilization

Answer 20

oviduct

Question 21

Appear as coiled tubules ventral to the kidneys

Answer 21

ductus deferens

Question 21

Add semen to the sperm

Answer 21

seminal vesicles

Question 22

Collects vibrations

Answer 22

inner ear

Question 24

Drains the urea from the kidneys in the female shark

Answer 24

Wollfian Ducts

Question 26

Execretory structures unique to female sharks

Answer 26

Wollfian Ducts and Urinary Vesicle

Question 28

Drains the urea from the kidneys in the male sharks

Answer 28

accessory ducts

Question 29

Term used to refer to the sense of smell

Answer 29

olfactory

Question 31

Coordinates muscular movement

Answer 31

Cerebellum

Question 32

Where the pups exit out of the female

Answer 32

cloaca

Question 34

Nervous system parts considered in the forebrain

Answer 34

Olfactory sac Olfactory tract Olfactory lobe cerebrum

Question 35

Sends visual stimuli to the optic lobe

Answer 35

Optic nerve

Question 36

Removes nitrogenous waste from the shark's blood

Answer 36

kidney

Question 37

Collects visual stimuli

Answer 37

eyes

Question 38

Identifies what the shark sees

Answer 38

optic lobe

Question 39

Sends chemical scents to the olfactory lobe

Answer 39

Olfactory tracts

Question 40

Cranial to the uterus

Answer 40

shell gland