Your fish uses countercurrent exchange of gases in their respiratory organ. Explain the countercurrent exchange and where it occurs, and what advantage it provides for your fish. Answer in a sentence format.

A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing aid under high pressure in a spherical tank that measures 84.0cm wide. The biologist estimates she will need 3200. L of aid for the five. Calculate the pressure to which this volume of air must be compressed in order to fit into the air tank. Round your answer to 3 sig figs and write your answer in atmospheres.

With the aid of schematic diagrams, comparatively, discuss the differences between the opercular and buccal suction pumps during respiration in marine fish species.

answer the question beloww

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Answer question in attached image

please match the following! Both of these are to the same question.

Lungs QUESTION 3 Name the organ. D Click Save and Submit to save and submit. Click Save All Answers to save all ansuvers. P Type here to search 五

Please atleast answer this question. I will upvote