Why is tubular secretion necessary? A) Only 20% of plasma enters the renal tubule during glomerular filtration therefore

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Why is tubular secretion necessary?
A) Only 20% of plasma enters the renal tubule during
glomerular filtration therefore some waste
remains in blood.
B) Large waste products do not go through the filtration
slits during glomerular filtration and
must be actively transported out of the
blood.
C) Some waste and drugs are stored in fat and must be
secreted directly into the renal tubule.
D) All the choices are correct.
Why are males more likely than females to develop an
inguinal hernia?
A) females lack inguinal canals entirely
B) females have naturally stronger abdominal muscles due
to childbirth
C) males have larger inguinal canals due to the passage
of the spermatic cord
D) males have weaker abdominal muscles due to holding
more belly fat