Frog Dissection Part 1

What is the purpose of the nictitating membrane?

• it is a third, transparent eyelid that protects the eye when the frog is underwater

• it is the eardrum that vibrates in response to sound

• it is the opening for smells to enter the frogs nasal cavity

• it connects the middle ear and mouth

What is the purpose of the tympanic membrane?

• it is a third, transparent eyelid that protects the eye when the frog is underwater

• it is the eardrum that vibrates in response to sound

• it is the opening for smells to enter the frogs nasal cavity

• it connects the middle ear and mouth

What is the purpose of the eustacian tube?

• it is a third, transparent eyelid that protects the eye when the frog is underwater

• it is the eardrum that vibrates in response to sound

• it is the opening for smells to enter the frogs nasal cavity

• it connects the middle ear and mouth

How many vertebrae are in the frog's spine?

• 5

• 12

• 10

• 9

Which structures line the perimeter of the upper jaw and and help a frog to hold on to its prey?

• vomerine teeth

• maxillary teeth

• internal nares

• glottis

Which structures project from the roof of the mouth and help a frog to hold on to its prey?

• vomerine teeth

• maxillary teeth

• internal nares

• glottis

Name this organ... 

• Gullet
• Throat
• Glottis
• Teeth

Name this organ...

• Brain
• Lungs
• Teeth
• Eardrum (tympanum)

Name this organ..

• Maxillary (small) teeth
• Ear drums
• mouth
• Vomerine (large) teeth

Name this organ..

• Mouth
• Eardrum
• Tongue
• Teeth