Sight
The iris is a ________ at the centre of the eye.
muscle
What are the two holes in your nose called?
nostrils
On the surface and beneath the skin, there are millions of _____ _______.
nerve endings
These are tiny lumps on the tongue. They detect different signals.
taste buds
How many parts does an ear have? Name the three.
It is the black circle in the middle of the iris.
The pupil
It is the big space in your nose where air enters.
nasal cavities
Nerve endings capture __________, take temperature or texture, for example.
sensations
The taste buds send signals. What nerve sends signals to the brain?
the gustatory nerve
Ears can detect ___________________.
vibrations
Light enters through the pupil and goes through a _____ at the back of the pupil.
lens
It detects different substances in the air.
mucous membrane
Do all body parts have the same number of nerve endings?
No. Some areas are very sensitive and have more nerve endings than other body parts.
What are the different flavours we can taste? Give some examples of food that taste like it.
We can taste different flavours like salty, sweet, bitter, and sour.
salty - fried chicken, potato chips
sweet - candy, chocolate
bitter - coffee, dark chocolate
sour - lemon, vinegar
The hole in the center of you outer ear is called the _____ _______. It is located in the outer ear.
ear canal
The light forms images on the _______ behind the lens.
retina
We send signals to the brain through the __________ ______.
olfactory nerve
Give an example of a sensitive part of your body that has more nerve endings compared to other body parts.
The front and back of your knee.
Your fingertips.
The arch of your foot.
This vegetable has a ______ flavour.
spicy
The middle ear is inside the skull. It contains a membrane called the _______, and __________.
eardrum and three small bones
Images are the signals that are sent to the brain. The signals travel to the brain through the ______ _____.
optic nerve
Where is the olfactory bulb/membrane?
It sits at the upper part of the nasal cavity. It is connected to the olfactory nerve.
Give examples of different temperatures and textures.
Examples of temperatures are hot, cold, and warm.
Example of textures are rough, smooth, hard, and soft.
This flavour means the "essence of deliciousness". It is a Japanese word that starts with letter U.
Umami
The cochlea, inside the inner ear, captures vibrations and turns them into signals. Where do these signals travel through to go to the brain?
It travels through the auditory nerve.