Sight
What is the name of the black hole in the front of your eye
pupil
What is sound?
Vibrations that travel in waves.
How many layers of skin do we have?
3
Does our sense of smell affect our sense of taste?
yes
How does information about what the eye sees go to the brain?
It travels to the brain through the optic nerve.
What part of the ear receives the sound vibrations first?
whiskers/antenae
What is the inside of our nose called?
The nasal cavity?
What does an image look like after it goes through the lens and is on the retina?
upside down
Cochlea
We have around 18 million skin sensors around our body. Where do we find the most touch receptors (what body part)?
Around how many taste buds do we have?
100,000
What are the names of the light receptors at the back of our eye that let us see colour, light and black/White?
Rods and Cones
Some animals have developed echolocation to help them 'see' through sound. How does echolocation work?
High pitched sounds are sent out into the air. When they hit something they bounce back letting the creature know, where something is, how far away it is, and what size/shape it is.
What are three jobs our skin has?
It hold us together, it protects us (water proof, keeps out germs, protects from suns rays), temperature regulation, lets us feel the world around us.
What are the 5 basic flavors humans can taste?
sweet, bitter, salty, sour, umami
The iris (a muscle) can adjust the size of the pupil to let more light in when it's dark (the pupil is gets bigger) or let less light in when it is too bright (the pupil gets smaller).
What is inside the cochlea and why are they important?
Tiny little hairs that are sound receptors. They send information about the pitch and frequency of sound to the brain.
There are many types of receptors that sense different things. What are three different types of receptors?
pressure/touch, pain, temperature, movement
How does information about smell get from our nose to our brain?