Human body systems are made up of organs that work together to perform specie functions. The circulatory system and the respiratory system have one organ in
common. Which organ is common to both systems?
(A)arteries (B)large intestines (C)stomach (D)heart

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.

it is a

explanation:

enzyme speed up the reactions

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.