How many ureters does the urinary system contain? a. 1 b. 2 c. 3 d. 4

The urinary system includes two kidneys, two ureters, the bladder, two sphincter muscles, and the urethra. Front view of urinary tract. Your body takes nutrients from food and uses them to maintain all bodily functions including energy and self-repair.

answer; /// i believe that the correct answer is (c); ///when the lungs expand, they fill with air from the atmosphere;