Final Flashcards

1
Q

Frog phylum

A

chordata

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2
Q

Frog subphylum

A

vertebrae

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3
Q

Frog class

A

amphibia

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4
Q

Why are frogs said to have “two lives”?

A

They are amphibians meaning that they spend their lives in both water and land

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5
Q

Dorsal means?

A

toward the back; upper/backside

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6
Q

Ventral means?

A

toward the belly; under side

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7
Q

Anterior means?

A

located towards front of the body

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8
Q

Posterior means?

A

back of the body; near the rear

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9
Q

Head means?

A

upper part of the body

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10
Q

Torso means?

A

trunk of the body

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11
Q

Frog lungs are poorly developed. How does this relate to their skin being thin and moist?

A

Frogs can breathe through their skin.
The thin membranous skin allows respiratory gases to diffuse directly down their gradients between the blood vessels and the surroundings. When the frog is out of the water, mucus glands in the skin keep the frog moist, which helps absorb dissolved oxygen from the air.

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12
Q

How does the tympanic membrane work?

A

It receives sound vibrations and transmits them to auditory ossicles.

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13
Q

List two ways forelimbs are different than hind limbs

A

hind limbs tend to be sturdier, stronger, and longer

hind limbs are more firmly attached to the spine

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14
Q

What organs are removed first in a frog dissection?

A

liver, intestines, kidneys

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15
Q

frogs exchange gases through the ____ and the ____

A

mouth, skin

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16
Q

the glottis leads to the frog’s _____ which connects the mouth to the _____

A

esophagus, stomach

17
Q

Arteries carry blood ___ the heart. Veins carry blood ____ the heart

A

away from, towards

18
Q

______ connect arteries to veins

A

capillaries

19
Q

A frog’s heart has ___ chambers. Two atrium and ___ ventricle

20
Q

Urine and solid waste leaves the frog’s body through an opening called the ____

21
Q

Muscle tissue is usually grouped into large _____

22
Q

A frog’s skeleton is made up of _______ regions

A

axial and appendicular

23
Q

The axial region consists of ___ bones. The appendicular skeleton consists of ___ bones

24
Q

The frog’s tongue is anchored in the very front–opposite to the orientation and anchoring of humans. Why do you think this is so?

A

To retrieve food to the back of the mouth. It throws its sticky tongue out to catch insects, the tongue snaps back and throws the food down its throat.

25
Location and function of esophagus
near stomach, tube leads from mouth to stomach
26
Location and function of stomach
near pancreas, first site of chemical digestion, breaks down food
27
Location and function of pancreas
near stomach, male's insulin
28
Location and function of cloaca
on top of left sewer, where urine, sperm, eggs exit
29
Location and function of lungs
middle of body, oxygen and carbon dioxide exchange
30
Location and function of heart
right of chest, pumps blood
31
Location and function of liver
near gallbladder, makes bile
32
Location and function of gallbladder
left posterior lobe, stores bile
33
Location and function of small intestine
near gallbladder, absorbs nutrients from food
34
Location and function of larger intestine
above cloaca, collects waste and absorbs water