Advertisement Upgrade to remove ads

mouth

aids in taking in food

antennule

an antenna-like appendage with receptors for touch, taste, and equilibrium

antennae

an appendage specialized for touch and taste

head

anterior end of cephalothorax

uropod

anterior flipper that propels it through the water

cheliped

claw used to capture food and to provide defense

cephalothorax

consists of a head and thorax

walking legs

enable the crayfish to walk slowly

compound

eye with many lenses

telson

flat triangular section at the tail, used in swimming

abdomen

one of the two section of the body of a crayfish

swimmerts

organs that create water currents and functions in reproduction

carapace

outer covering of the crayfish

rostrum

part of the carapace that projects forward between the eyes

thorax

posterior end of the cephalothorax

cirvical groove

where the head and thorax have fused

digestive gland

absorb mixture from the stomach

gills

organs specialized for the exchange of gases with water

brain

anterior end of the central nervous system

ganglia

bundle of nerve cells

ventral nerve cord

carries nerve impulses

ovary

egg reproducing organ

anus

external opening; end of digestive system

stomach

has chitinous teeth which grind food into a paste

aorta

large artery; dorsal

mouth

opening to the digestive system

oviduct

passageway for eggs

heart

pumps blood

green gland

removes chemical wastes from the blood

esophagus

tube between mouth and stomach

intestine

tube which carries waste

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set