Lab 19: Frog Anatomy

Question 1

Frog phylum

Answer 1

chordate

Question 2

Frog Subphylum

Answer 2

vertabrata

Question 3

Frog Class

Answer 3

Amphibia

Question 4

Reproduction

Answer 4

In water, sperms and eggs are released into the water at the same time.

Question 5

Gas Exchange occurs:

Answer 5

Across their skin, as frogs breathe through their skin

Question 6

Water conservation:

Answer 6

not well adapted to conserve water

Question 7

Tadpoles

Answer 7

have tails and gills, which fall off during metamorphosis

Question 8

Chitrid fungus

Answer 8

Frogs are unable to breathe as the fungus attacks the frog’s skin and the keretin in it.

Question 9

Axial skeleton consists of

Answer 9

skull, vertabral colum, sternum, ribs

Question 10

Appendicular skeleton consists of

Answer 10

(top half) pectoral girdle, arm bons, and hard bones and (bottom half) pelvic girdle, lef bones, and foot bones

Question 11

Arm bones

Answer 11

humerus, radius, ulna(fused radioulna in frogs)

Question 12

Leg bones

Answer 12

Femur, patella, tibula, fibula(fused tibiofibula in frogs)

Question 13

scapulla

Answer 13

shoulder bone

Question 14

phalanges

Answer 14

toes

Question 15

males have

Answer 15

a nuptual pad, a larger tympanic membrane, and vocal sacs(not viewable)

Question 16

nictitating membrane

Answer 16

3rd eyelid, cleans and rpotects eye when underwater

Question 17

cloaca

Answer 17

common chamber for the digestive and urogential tracts(feces, urine, gametes)

Question 18

leg muscles

Answer 18

Flexor, extensor, adductor, and abductor

Question 19

Flexor

Answer 19

causes bending at a joint

Question 20

Extensor

Answer 20

straighterns or extends a part of the body

Question 21

Adductor

Answer 21

any muscle that pulls a body part toward the midline, (lateral movement)

Question 22

Abductor

Answer 22

any muscle used to pull a body part away from the midline, (lateral movement)

Question 23

3 parts of leg muscles

Answer 23

Origin, Bellly, Inserstion- movable parts

Question 24

semimembranous and

Answer 24

upper leg muscle of a frog

Question 25

triceps femoris

Answer 25

upper leg muscle of a frog

Question 26

gracilis minor and major

Answer 26

inner back leg muscle, cause flextion at the knee

Question 27

frog lower leg muscles

Answer 27

gastrocnemius and peroneus, extensor

Question 28

Frog upper thigh muscles: adductors

Answer 28

adducor magnus and longus, and sortoius

Question 29

frog reproduction

Answer 29

gonads(testes and ovaries),

Question 30

pancreas

Answer 30

produces bicarbonate, digestive emzymes, insulin and glucagon

Question 31

frog digestion system

Answer 31

digestive tract, stomach, pyloric sphincter, small intestine, colon(absorbs water, ions), liver, pancreas, gallbladder

Question 32

Frog respritory system

Answer 32

nares, buccal cavity, glottis, lungs. They do positive pressure breathing, forcing air into the lungs. NO diaphram

Question 33

frog circulatory system

Answer 33

double circuit and 3 chambered heart