Place the following in correct sequence from the formation of a drop of urine to its elimination from the body.

1. major calyx

2. minor calyx

3. nephron

4. urethra

5. ureter

6. collecting duct

3, 6, 2, 1, 5, 4

Explanation:

1. major calyx

2. minor calyx

3. nephron

4. urethra

5. ureter

6. collecting duct

nephron, collecting duct, minor calyx, major calyx, ureter, urethra

Explanation:

Nephron is a basic unit of kidney and it consists of glomerulus - a ball of small blood capillaries and a small tube called a renal tubule. Urea, water and waste substances, form the urine as it pass through the nephrons and down the renal tubules of the kidney. From the kidneys, urine travels down the ureters, to the bladde. rMicturition or urination is a function of urinary system and it refers to the discharge of urine from the bladder. Micturition is a process under the control of muscles of the bladder and sphincter muscles.