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sensory organs and sight and sound
science final exam
25
Science
7th Grade
05/16/2012

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Cards

Term
what is the eye?
Definition
an organ made up of several tissues each with a specific job to do.
Term
what is the cornea?
Definition
is the clear covering at the front of the eye. It helps to focus the light entering the eye.
Term
the sclera
Definition
The clear cornea is actually an extension of the white part of the eye called the Sclera
Term
the Iris
Definition
The beautiful colored portion at the front of the eye is
Term
The Pupil
Definition
The opening at the front of the eye
that is protected by the cornea and
controlled by the iris. allows
light to enter the eye.
Term
The Lens
Definition
is a clear flexible disc located behind the pupil.
Term
the Aqueous Humor is?
Definition
The chamber in front of the lens is filled with a fluid
Term
the Vitreous Humor.
Definition
The chamber behind the lens is filled with a gel. This gel helps to retain the shape of the eye.
Term
The Retina
Definition
at the back of the eye which contains rods and cones
Term
rods and cones
Definition
Rods 1Dsee 1D in black and white, cones 1Csee 1D in color.
Term
the Optic Nerve
Definition
These specialized cells convert the light into nerve impulses that travel to the brain via the
Term
the Macula
Definition
A special part of the Retina called _____________________________________________________ contains the Fovea. This part of the retina is richest in rods and cones and gives the clearest vision.
Term
The Auditory Canal
Definition
connects the outer ear to the middle ear.


the _______ produces ear wax and contains tiny hairs that protect the middle and inner ear from unwanted objects like insects and dust.
Term
Eardrum or Tympanic Membrane.
Definition
At the end of the canal is the
Term
Pinna
Definition
Sound waves are captured by the (blank) and directed through the canal to the eardrum.
Term
Cochlea
Definition
Sound waves cause the eardrum to vibrate. The vibration of the eardrum causes the hammer to strike the anvil which moves the stirrup against the ________________________________________________________________________________________________________________________
Term
Cochlea
Definition
Sound waves cause the eardrum to vibrate. The vibration of the eardrum causes the hammer to strike the anvil which moves the stirrup against the ________________________________________________________________________________________________________________________
Term
Cochlea
Definition
Sound waves cause the eardrum to vibrate. The vibration of the eardrum causes the hammer to strike the anvil which moves the stirrup against the ________________________________________________________________________________________________________________________
Term
Medulla
Definition
The brain stem which contains the _____. This part controls life functions, heart beat, breathing, blood pressure, homeostasis.
Term
The Cerebellum
Definition
is concerned with balance and coordination.
Term
The Cerebrum
Definition
is responsible for thought, conscious action,
Term
what are the 4 lobes of the brain?
Definition
frontal,temporal,occipital,parietal
Term
which lobe is responsible for movement speech and emotion
Definition
frontal
Term
which lobe is responsible for hearing and speech
Definition
temporal
Term
which lobe is responsible for sight
Definition
occipital
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