Question

in older children and adults, the brain controls the ____ reflex, delaying urination until a suitable time.
fill in the blank

Explanation:

The question is about the reflex related to urination control in older children and adults. In human physiology (a subfield of Biology, which is part of Natural Science), the micturition reflex is the one that the brain can control to delay urination. The micturition reflex involves the process of urination, and in mature individuals, the brain can inhibit this reflex temporarily to wait for a suitable time.

Answer:

micturition