When washing items in the detergent solution, when do you replace the water?

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

not sure if this is what you'r looking for nnew= nold

d. organisms have cells with different shapes and functions.

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.