The slide image shows epithelium tissue found in the bladder. what is the function of the tissue indicated by the arrow?

protects the inner lining of the bladder
contraction of the bladder
structural support of the bladder
nerve impulse conductor for bladder

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.