Hearing
The ______ pick up sound waves. The waves travel into the ________.
What is the auricle, ear canal?
Name the five parts of the eye.
Iris, lens, retina, pupil, cornea
What enters our body through our nostrils?
What are odor particles?
Name the 3 body parts for taste.
Papillae, taste buds, tongue
What are the 3 types of somatosensory receptors?
What are mechanoreceptors, thermoreceptors, and nociceptors?
When sound waves hit the tympanic membrane, what happens...?
The sound waves hit the eardrum, which vibrates and causes the three tiny ear bones to move.
Light enters the eye through the _______ and ________.
cornea and pupil
The ________ within the nasal cavity detect the odor particles.
What are olfactory receptors?
What are bumps on the tongue called?
Papillae
What is the function of mechanoreceptors?
To feel touch, pressure, texture, and vibrations.
The tiny bones transmit the vibrations to the _______. which turns the sound vibrations into electrical signals.
cochlea
What is the iris? What does it control?
The colored part of the eye. It controls the amount of light entering the eye.
The _________ send electrical signals to the ____________ and from there to the brain.
olfactory receptors, olfactory bulb
What are the five tastes?
sweet, salty, bitter, sour and umami
This is the function of the thermoreceptors
What is detect temperature?
The auditory nerve takes the electrical signals to the brain. The semi-circular canals are filled with liquid. They detect movement and stop us from losing balance.
The ________ focuses the light at the back of the eye on the retina.
What is lens?
What component of the olfactory system sends the brain an electrical signal when the olfactory receptors detect a scent?
What is olfactory bulb?
What do nerves do (for taste)?
Nerves send the taste information to the brain.
What somatosensory receptor detects pain and itchiness?
What are nociceptors?
Otitis
What do nerve receptors in the retina do?
They send signals to the brain via the optic nerve.
CHALLENGE
What is rhinorrhea?
Runny nose
Chemicals in the food must combine with saliva and then enter into the taste receptors.
Challenge
Why do people with 3rd degree burns not feel pain?
The somatosensory receptors are burnt and no longer function.