Doppler echocardiography. Doppler echocardiography is a procedure that uses ultrasound technology to examine the heart or blood vessels. An echocardiogram uses high frequency sound waves to create an image of the heart while the use of Doppler technology allows determination of the speed and direction of blood flow by utilizing the Doppler effect.
Confidence votes 35. Watermelons are thought to be indigious to Africa where they have been found growing wild. In the 1600s there were watermelon growers in Massachusetts and Florida. Watermelons can be grown almost anywhere but do best in humid areas.I have a freind in Montrael who grows watermelons.He uses black plastic on the ground to amplify the suns heat.n the 1600s there were watermelon growers in Massachusetts and Florida. Watermelons can be grown almost anywhere but do best in humid areas. I have a freind in Montrael who grows watermelons. He uses black plastic on the ground to amplify the suns heat.
17 Apr, 2012 where did 1. A watermelon is a large fruit with a thick outer shell and fleshy fruit inside. It grows on the watermelon plant, which is a flowering plant that resembles a vine. There are many different varieties of watermelon and although the best known varieties have pinkish-red flesh, there are also types of watermelon with orange, yellow or white flesh. The flesh of the watermelon is juicy and sweet, which makes it a popular fruit for use in fruit salads. Continue reading if you want to know where the watermelon originated from. Where does watermelon come from? It is thought that the watermelon originated from southern Africa where it can still be found growing wild today.