Science 3 2nd Trimester Exam Review

It is the colored part of the eye that has muscles that help in making the opening dilate or constrict.

• pupil

• iris

• cornea

• aqueous humor

It is the part of the outer ear that has a thin membrane that vibrates when sound waves hit it.

• auditory canal

• auricle

• cilia

• eardrum

This part receives the information gathered from the retina and delivers it to the network of nerves connected to the brain.

• optic nerve

• auditory nerve

• olfactory nerve

• taste buds

This is the actual hearing organ located in the inner ear.

• cochlea

• organ of Corti

• semicircular canals

• auditory nerve

It is the sticky substance lining the nasal cavity that helps in trapping foreign objects coming into the nose.

• saliva

• wax

• mucus

• feces

True or False: All tastes can be sensed in all parts of the tongue.

• TRUE

• FALSE

True or False: Our sense of smell and taste affect each other.

• TRUE

• FALSE

This layer of the skin needs to be taken care of well because it is the exposed and topmost part.

• epidermis

• dermis

• subcutaneous layer

• fatty layer

Which is not a good way of taking care of our skin?

• Putting lotion to moisturize the skin

• Leaving our skin sticky and dirty

• Eating fruits and vegetables

• Using an umbrella when outside during a sunny day

Which will cause harm to our noses?

• Using pointed objects to remove dirt from our noses

• Blowing our noses lightly and with less force

• Keeping away from objects with strong odor

• Avoiding playing with or poking our noses