The skeleton of a shark is made out of cartilage.
Caverns are formed due to <span>Carbonic Acid which is found in ground water and which also dissolves limestone.</span>
Interstitial fluid is located in the spaces surrounding the kidney tubule and is denoted as option C.
<h3>What is Interstitial fluid?</h3>
This refers to an extracellular fluid which is present within the tissue spaces of different parts of the body and older ones are usually replaced after some time.
It is important in the supply of oxygen and nutrients to the cells of the body and remove waste materials thereby ensuring optimal functioning.
In the case of a kidney, this fluid is present in the spaces surrounding the kidney tubule which facilitates the exchange of nutrients and wastes which are expelled from the body.
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