Human Sensory Organs
Biology ⇒ Human Biology
Human Sensory Organs starts at 7 and continues till grade 12.
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See sample questions for grade 12
Describe the function of the lens in the human eye.
Describe the pathway of light through the human eye, starting from the cornea to the retina.
Describe the process of accommodation in the human eye.
Explain the difference between mechanoreceptors and thermoreceptors in the skin.
Explain the role of the Eustachian tube in the human ear.
Explain the role of the semicircular canals in the human ear.
Explain why a person with a damaged olfactory nerve may have a reduced sense of taste.
A patient is unable to distinguish between high-pitched and low-pitched sounds. Based on your knowledge of the cochlea, explain the likely site and nature of the damage.
Which of the following best describes the function of nociceptors?
(1) Detecting light
(2) Detecting sound
(3) Detecting pain
(4) Detecting balance
Which of the following best describes the function of rods in the retina?
(1) Detecting color
(2) Detecting dim light and movement
(3) Focusing light
(4) Producing tears
Which of the following is a function of the Meissner's corpuscles in the skin?
(1) Detecting deep pressure
(2) Detecting light touch
(3) Detecting pain
(4) Detecting temperature
Which of the following is NOT a function of the skin?
(1) Sensation
(2) Protection
(3) Hormone production
(4) Temperature regulation
The _______ is the clear, jelly-like substance that fills the space between the lens and the retina.
The _______ is the colored part of the eye that controls the size of the pupil.
The _______ is the part of the eye where the optic nerve exits, creating a natural blind spot.
The area of the retina with the highest concentration of cones, responsible for sharp central vision, is called the _______.
True or False: The auditory nerve transmits signals from the cochlea to the brain.
True or False: The cochlea is responsible for converting sound vibrations into nerve impulses.
True or False: The Pacinian corpuscles are responsible for detecting pain.
True or False: The sclera is the transparent layer at the front of the eye.
