In which region and quadrant can the following organs be found?
a. Stomach – region: left hypochondriac region and epigastric region
quadrant: left upper quadrant
b. Ascending colon – region: right lumbar region and right iliac region
quadrant: right lower quadrant
c. Descending colon – region: left lumbar region and left iliac region
quadrant: left lower quadrant
d. Urinary bladder – region: hypogastric region
quadrant: midline area/right lower quadrant
e. Liver – region: right and left hypochondriac region
quadrant: right and left upper quadrant
f. Appendix – region: right iliac region
quadrant: right lower quadrant