Answer:
The pyramid is surrounded by cortical tissue (a renal column of Bertin) that dips down into the medulla. ... Medullary tissue also extends up into the cortex, forming medullary rays that are interspersed between cortical tissue containing the renal corpuscles and their associated convoluted tubules.
Explanation:
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False, actually phytate & oxalate decrease calcium absorption.
According to the NAEYC D. KINDERGARTENERS...... I hope this helps you! : )
