The answer is A, storing urine until it is eliminated.
The bladder stores urine, allowing urination to be infrequent and controlled. The bladder is lined by layers of muscle tissue that stretch to hold urine. The normal capacity of the bladder is 400-600 mL. During urination, the bladder muscles squeeze, and two sphincters (valves) open to allow urine to flow out.
Wind energy
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A Polypeptide chain is a sequence of amino acids that is the foundation for the basic structure of a protein
Extinction refers to the eradication of an entire Species. Hope this helped!
