the senses
what do touch receptors allow you to do
feel things or touch things
do sharks have bones
No
what creature or type of animals were the first on land
millipedes
what is the strongest bone in the body
the skull
what is the black part of your eye
the pupil
what does the taste buds allow you to do
taste
all fish have a bony skeleton True/False
False!
what were some of the first organisms
microscopic organisms
where are the strongest back bones
in the lower back
what is the colored part of the eye
the iris
ehat do pain receptors allow you to do
feel pain
how do gills work to get oxygen for the fish
removing dissolved oxygen from the water
what did humans evolve from
apelike ancestors
what is the purpose of the rib cag
to protect our vital organs
how many muscle does a human eye have
six muscles
where are most of the olfactory cells
in the back of the nasal cavity
Do most Amphibians breathe through their skin True/False
True!!!
what did some early fish evolve into
amphibians
what is the purpose of our skeleton
to give us structure
what part of the eye does light go through
the cornea
what is a bog part of touch receptors
nerves
is it good or bad for a bird to have non hollow bones
bad because it would keep them from flying
where did most of the animal race start
in the ocean as fish
what fluid and what cord is in the spine
spinal fluid and spinal cord
what tissues are in the back of the eye
the retinas