Ch. 6 Organs in the urinary system

Question 1

Kidney

Answer 1

two bean shaped organs located on each side of the vertebral column on the posterior wall of the abdominal cavity.

Question 2

What is the function of the kidneys?

Answer 2

Their function is to remove waste products from the blood and to aid in maintaining water and electrolyte balance.

Question 3

Nephron

Answer 3

Urine producing microscopic structure. Approximately 1 million nephrons are included in each kidney

Question 4

Glomerulus (pl. glomerluli)

Answer 4

Cluster of capillaries at the entrance of the nephron. The process of filtering the blood, thereby forming urine, begins here.

Question 5

Renal Pelvis

Answer 5

funnel shaped reservoir in the kidney that collects the urine and passes it to the ureter

Question 6

Hilum

Answer 6

indentation on the medial side of the kidney where the renal artery, vein, and pelvis are located and the ureter leaves the kidney

Question 7

Ureters

Answer 7

two slender tubes approximately 10-13 inches long that receive urine from the kidneys and carry it to the posterior portion of the bladder

Question 8

urinary bladder

Answer 8

muscular hollow organ that temporarily holds urine. As it fills , the thick, muscular wall becomes thinner, and the organ increases in size.

Question 9

Urethra

Answer 9

lowest part of the urinary tract, through which the urine passes from the urinary bladder to the outside of the body.

Question 10

Is the urethra the same in the male and female body?

Answer 10

no, its approximately 1.5 inches in females and approximately 8 inches in the male.

Question 11

Urinary meatus

Answer 11

opening through which urine passes to the outside