(a) Describe the mechanism of urine formation in human excretory system. Draw a labelled diagram to illustrate your answer. (b) Where is urine carried through ureters ? (c) What is urethra ?
Question 34 Choose the correct path of urine in our body (a) kidney→ureter→urethra→urinary bladder (b) kidney→urinary bladder→urethra→ureter (c) kidney→ureters→urinary bladder→urethra (d) urinary bladder→kidney→ureter→urethra