The closest major airport to Johns Island, FL is Melbourne International Airport (MLB / KMLB). This airport is in Melbourne, Florida and is about 38 driving miles from the cen â¦ ter of Johns Island, FL. 2 people found this useful.
The urinary bladder is located along the bodyâs midline at the inferior end of the pelvis. Urine entering the urinary bladder from the ureters slowly fills the hollow space of the bladder and stretches its elastic walls. The walls of the bladder allow it to stretch to hold anywhere from 600 to 800 milliliters of urine.
The kidneys are essential organs in the body which function to remove water and waste products. They also produce important hormones such as erythropoietin, Vitamin D, and renin.The kidneys are located in the back of the abdomen, one on each side of the spinal column, at about the level of the lower ribs.The average weight of an adult human kidney is approximately one-quarter pound. Each kidney is approximately 4 inches long, 2.5 inches wide, and 1.5 inches thick.he kidneys also have a hormonal role. They are in part responsible for the conversion of Vitamin D to its active metabolite, which is important in the absorption of calcium from the intestine. Erythropoietin is manufactured by the kidney and stimulates the bone marrow to produce red blood cells.