Oblique lumber spine to see.. Apophyseal joint

publisher :NIL NAM -April 13, 2017

Oblique lumber spine to see:
a- Spinous process
b- Transverse process
c- Apophyseal joint
d- Upper sacrum
the answer is C

Reasons for not mixing the semen and urine in the urethra: The muscles behind the bladder prevent the urine from coming out during semen