What would most likely happen if the av bundle were damaged?

The action of ventricles will get affected.

Explanation:

In our heart, the proper pumping of blood relies on coordination between the atria and ventricles. AV bundle provides the only electrical connection between the atria and ventricles which ensures the activation of the ventricles after the contraction of atria. If the bundle is damaged, the ventricles will fail to contract and thus pumping of blood in major arteries will be affected. The QRS complex that is seen in the ECG will be either absent or in a changed shape than the normal.

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it has to be understood that the sea water contains a huge amount of sodium and chlorine ions and if they enter the cell of the atlantic cod fish, the cell will shrivel and the fish will die. to avoid such a condition, the fish uses active transport for the purpose of removing the ions against the gradient.

explanation:

the atlantic cod is not a maritime osmoconformer. its native application of salts is less than that of the seawater it lives in. it is continually falling water from the gills to the ocean via osmosis.

countering that, the fish is going to be swallowing seawater. but since its internal collection of salts is lower than seawater, the fish will want to go free of excess salt, and since that's going upon a gradient, then active transport, requiring energy, must be used to pump out the salt. much marine fish use the organs to filter out the salt and these fish discharge very straight urine.