1 urinary bladder
All are correct
Production and release of calcitriol and erythropoietin
Storage of urine
Regulation of blood composition and pH
Regulation of blood volume and pressure
Maintenance of blood osmolarity
Are retroperitoneal and are attached to the abdominal wall.
Are partially protected by ribs 6-9
Are surrounded by capsules of epithelial tissue
Are protected from mechanical trauma by a thick layer of loose CT
Have concave lateral borders.