16. Which of the following is true about the structure of the kidneys? A. heart- shape, 3 to 4 inches long and 2 to 5 inches wide B. oblong, 1 to 2 inches long and 2 to 3 inches wide C. bean, 4 to 5 inches long and 2 to 3 inches wide D. round- shape, 4 to 5 inches long and 2 to 3 inches wide 17. Why is the right kidney slightly lower than the left? A. The right kidney is bigger than the left B. The right kidney is heavier than the left C. The stomach pushes the right kidney down D. Due to the presence of liver on the right region of the body
