Ch 1. Wonderfully Made Flashcards
Which system helps you see, hear, feel, smell, and taste?
The nervous system
What are the three main parts of the nervous system?
the brain
the nerves
the spinal cord
What does your brain do?
The brain controls the whole body.
What do your nerves do?
The nerves carry messages to and from the brain.
What do you call the bundle of nerve cells found in the backbone?
The spinal cord
Which bone helps protect your brain?
The skull
Which bone helps protect your spinal cord?
The backbone
What are the five main senses?
sight
hearing
smell
taste
touch
What do we call the parts of the body that are designed especially to help us react to the things around us?
The sense (or sensory) organs
What do you call the part of the eye that is coloured brown, blue, green, or grey?
The iris
Which part of the eye controls the amount of light that enters the eye?
The iris
What do you call the black circle in the middle of the iris?
The pupil
What does the pupil do?
The pupil is the opening that lets light into the eye.
What do we call the part of the eye that focuses on what we’re looking at?
The lens
What do we call the part of the eye that receives a picture of what we’re looking at?
The retina
Which nerve carries the message of what you have just seen to your brain?
The optic nerve
What did God give us to help protect our eyes?
forehead
cheekbones
eyelids
eyelashes
tears
How can we help take care of our eyes?
use the right amount of light
keep sharp things away
eat foods with Vitamin A
What are some foods rich in Vitamin A?
carrots
cheese
eggs
liver
peas
peaches
When you read and write, what direction should the light come from?
above or behind
How do eyelids and eyelashes protect our eyes?
They help to keep dust and other objects out of our eyes.
How do tears help our eyes?
They keep our eyes moist and wash dust and dirt from the eyes.
What does vibrate mean?
To move rapidly back and forth
What are sound waves?
Sound waves are sound vibrations travelling through the air.
What does sound travel through?
air
water
solids
What are the three main parts of the ear?
outer ear
middle ear
inner ear