Week 13: Urine forms. Thirteen weeks into your pregnancy, or 11 weeks after conception, your baby's intestines have returned to his or her abdomen from the umbilical cord â where they've been growing for the past couple of weeks. Your baby is also beginning to form urine and discharge it into the amniotic fluid.
Making the world better, one answer at a time. The highest point is Kaala Peak with an elevation of 4,003 ft above sea-level.
Along with the rest of the Hawaiian Islands, Oahu is one of the largest and northernmost islands of Polynesia. In the greatest dimension, this volcanic island is 44 miles (71 km) long and 30 miles (48 km) across. The length of the shoreline is 227 miles (365 km). The island is the result of two separate shield volcanoes: WaiÊ»anae and KoÊ»olau, with a broad valley or saddle (the central OÊ»ahu Plain) between them. The highest point is KaÊ»ala in the WaiÊ»anae Range, rising to 4,003 feet (1,220 m) above sea level.