Lab: Perch Anatomy

Question 1

What is #1? Function?

Answer 1

Head; houses eyes ,nares, and mouth

Question 2

What is #2? Function?

Answer 2

Eye; receive visual stimuli/ adapted for life in water

Question 3

What is #3? Function?

Answer 3

Nares; allow water to enter oral cavity

Question 4

What is #4? Function?

Answer 4

Mouth; contains the mandible and maxilla/ lined with teeth

Question 5

What is #5? Function?

Answer 5

Operculum; covers and protects soft gills underneath

Question 6

What is #6? Function?

Answer 6

Pectoral fin; allow for direction change while swimming

Question 7

What is #7? Function?

Answer 7

Anterior Dorsal Fin; provides stability when moving

Question 8

What is #8? Function?

Answer 8

Posterior Dorsal Fin; provides stability when moving

Question 9

What is #9? Function?

Answer 9

Caudal fin; moves side to side to propel fish in water

Question 10

What is #10 ? Function?

Answer 10

Pelvic fin; assist in directional movements/ stability

Question 11

What is #11 ? Function?

Answer 11

Anal fin; stability during swimming

Question 12

What is #12 ? Function?

Answer 12

Lateral Line; sense organ that detects changes in pressure, movement, and vibration

Question 13

What is #13 ? Function?

Answer 13

Gills; absorb oxygen and expel carbon dioxide (similar to lungs)

Question 14

What is #14? Function?

Answer 14

Skull; protects/supports sensory structures and brain

Question 15

What is #15 ? Function?

Answer 15

Vertebrae; provide support for spinal cord and attachment for myomeres

Question 16

What is #16 ? Function?

Answer 16

Spines; Move for swimming

Question 17

What is #17 ? Function?

Answer 17

Teeth; grasp food during feeding and guide food to esophagus

Question 18

What is #18 ? Function?

Answer 18

Oral cavity; entrance point for water

Question 19

What is #19 ? Function?

Answer 19

Tongue; pushes food toward esophagus

Question 20

What is #20 ? Function?

Answer 20

Esophagus; moves food toward rest of digestive tract via perstalisis

Question 21

What is #21? Function?

Answer 21

Stomach; chemically/ mechanically digests food

Question 22

What is #22? Function?

Answer 22

Pyloric Caeca; secrete digestive enzymes

Question 23

What is #23? Function?

Answer 23

Intestine; nutrient absorption

Question 24

What is #24 ? Function?

Answer 24

Rectum; stores waste until excretion

Question 25

What is #25 ? Function?

Answer 25

Anus; excretory site

Question 26

What is #26 ? Function?

Answer 26

Spleen; creates/destroys RBC

Question 27

What is #27 ? Function?

Answer 27

Pancreas; regulates blood glucose levels by secreting enzymes

Question 28

What is #28 ? Function?

Answer 28

Liver; makes bile for gall bladder to store

Question 29

What is #29 ? Function?

Answer 29

Gall Bladder; stores bile/ releases for breakdown of fats

Question 30

What is #30? Function?

Answer 30

Kidney; filters blood of liquid wastes

Question 31

What is #31? Function?

Answer 31

Urinary Bladder; stores urine

Question 32

What is #32? Function?

Answer 32

Air bladder; provides buoyancy

Question 33

What is #33? Function?

Answer 33

Urogenital Opening; exit for urine and sperm/eggs

Question 34

What is #34? Function?

Answer 34

Testes; sperm production

Question 35

What is #35? Function?

Answer 35

Ovary with Eggs; egg production

Question 36

What is #36? Function?

Answer 36

Atrium; receives blood returning from the body

Question 37

What is #37? Function?

Answer 37

Bulbous Arteriosus; maintains continuous blood flow to gills

Question 38

What is #38? Function?

Answer 38

Ventricle; pumps blood out of the gills

Question 39

What is #39? Function?

Answer 39

Brain; thinking/cognition

Question 40

What is #40? Function?

Answer 40

Olfactory Nerve; Interpret signals from receptors and send to brain

Question 41

What is #41? Function?

Answer 41

Olfactory Bulb; aid in sense of smell

Question 42

What is #42? Function?

Answer 42

Spinal Cord; carries impulses from brain to body

Question 43

What is #43? Function?

Answer 43

Dorsal Aorta; pumps blood out to body

Question 44

What is #44? Function?

Answer 44

Ventral Aorta; pumps blood out to gills