The answer to this question would be: ureter
Ureter is the long tubular duct made of epithelial cell that connects the kidney and the bladder. Urine will pass through the ureter to go into the bladder. Urine flow might be obstructed if there was a stoned formed in the kidney. In this case, the patient might feel colic pain to the flank. Urethra will be the tubular organ that goes from the bladder to penis/vagina.
the three general classifications are sensory neurons, motor neurons and interneurons. I don't know how they work together to produce a response to an environmental stimulus:( sorry
Answer:
the process is called condensation.
the molecules will move faster