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Frog Dissection Review

Total questions: 28

Worksheet time: 22mins

Name
Class
Date
1.
Largest organ in frog's body
a)
heart
b)
Small intestine
c)
large intestine
d)
liver
2.
3 places the exchange of oxygen and carbon dioxide take place
a)
lungs, feet, mouth
b)
lungs, blood vessels, skin
c)
lungs, heart, feet
d)
feet toes mouth
3.
Small tube like structure which connects the stomach to the large intestine
a)
Small intestine
b)
Large intestine
c)
stomach
d)
anus
4.
Name this organ...
a)
Lungs
b)
Heart
c)
Small intestine
d)
Large intestine
5.
Name this organ...
a)
Small intestine
b)
Large intestine
c)
Liver
d)
Spleen
6.
Name this organ...
a)
kidneys
b)
lungs
c)
liver
d)
pancreas
7.
Name this organ...
a)
Heart
b)
Gall bladder
c)
Liver
d)
Lungs
8.
Name this organ..
a)
Pancreas
b)
Stomach
c)
Liver
d)
Anus
9.

The tympanic membrane is the:

a)

Eyelid

b)

Nostril

c)

Eardrum

d)

Vent

10.

The cloaca (opening) is found:

a)

At the tail

b)

In the nares

c)

Under the eardrum

d)

In the mouth

11.

The fat bodies in the frog are:

a)

White and hard

b)

Small, like a pea and green

c)

Are brown like a kidney bean

d)

Are yellow and soft

12.

What external part of the frog is the clear membrane covering the eye that protects and keeps it clean?

a)

tympanic membrane

b)

nictitating membrane

c)

skin

d)

eyelid

13.
The two reproductive organs are...
a)
Stomach and liver
b)
Bladder and liver
c)
Stomach and Small intestine
d)
Ovaries and testes
14.

Which picture shows the dorsal side of the bullfrog?

a)

Left

b)

Right

15.

Which organ do frogs and tadpoles NOT use when they breathe?

a)

skin

b)

lungs

c)

gills

d)

diaphragm

16.
Frogs have a heart with ________chambers
a)
2
b)
3
c)
4
d)
5
17.

This part of the human digestive system connects your mouth with your stomach.

a)

Esophagus

b)

Trachea

c)

Liver

d)

Small and Large Intestines

18.

What organ is pinned in the picture?

a)

stomach

b)

heart

c)

liver

d)

large intestine

19.

What organ is pinned in the picture.

a)

stomach

b)

heart

c)

liver

d)

large intestine

20.

What organ is pinned in the picture?

a)

small intestine

b)

stomach

c)

large intestine

d)

esophagus

21.

The tympanic membrane is the:

a)

Eyelid

b)

Nostril

c)

Eardrum

d)

Vent

22.
Common exit for feces, urine, sperm and egg
a)
Cloaca
b)
Duodenum
c)
Rectum
d)
Pyloric Sphincter Valve
23.

During the frog dissection lab, some students found these small round structures inside their frog (pictured). What do these structures tell us about this particular frog?

a)

These are eggs. This frog is a female.

b)

These are eggs. This frog is a male.

c)

These are bugs. This frog ate just before it died.

d)

These are bugs. This frog is being eaten by scavengers.

24.

Identify the internal frog organ that is shown (in color) in this picture. It has 3 chambers and is a muscle responsible for pumping blood.

a)

Lung

b)

Liver

c)

Heart

d)

Stomach

25.

Frogs have vertebrae (bones) that form a spinal column down their back. What body system is shown in this picture?

a)

Skeletal System

b)

Muscular System

c)

Digestive System

d)

Integumentary System

26.

What is the largest, strongest muscle group found in the common frog?

a)

The Heart Muscles

b)

The Liver Muscles

c)

The Abdominal Muscles

d)

The Leg Muscles

27.

What is a special feature of a frog's skin, that allows it to live in water?

a)

The skin is thin and smooth and can allow oxygen from the water to enter the frogs blood.

b)

The skin is thin and smooth and protects it from predetors with sharp teeth.

c)

The skin is thick and rough and acts as an armor against all predators that might eat it.

d)

The skin thick and rough and provides friction while the frog is swimming to help it balance.

28.

What are the yellow, spaghetti shaped structures that were located on both sides of the frog?

a)

Fat Bodies

b)

Large Intestines

c)

Lung Pockets

d)

Liver Muscles