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Anatomy and Function of the Urinary System: Organs, Processes, and Hormones, Quizzes of Human Biology

Definitions and functions of the organs of the urinary system, including the kidneys, uterus, bladder, and urethra. It also covers the roles of the urinary system in excretion, maintenance of water-salt balance, acid-base balance, and hormone secretion. The processes of glomerular filtration, tubular reabsorption, and tubular secretion.

Typology: Quizzes

2013/2014

Uploaded on 10/16/2014

katmusic18
katmusic18 🇺🇸

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TERM 1
What are the organs of the urinary system?
DEFINITION 1
Kidneys(2)
Uterus(2)
Bladder(1)
Urethra(1)
TERM 2
Kidneys(2)
DEFINITION 2
Been Shaped
First Sized Organ
Forms Urine
TERM 3
Uterus(2)
DEFINITION 3
Small, Muscular Tubes
Carries Urine from Kidneys to Bladder
TERM 4
Bladder(1)
DEFINITION 4
Expandable Organ
Stores Urine from kidneys
Expelled from the body
TERM 5
Urethra(1)
DEFINITION 5
Tube(longer in men then woman)
Carries Urine from bladder to outside of the body
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What are the organs of the urinary system?

Kidneys(2) Uterus(2) Bladder(1) Urethra(1) TERM 2

Kidneys(2)

DEFINITION 2 Been Shaped First Sized Organ Forms Urine TERM 3

Uterus(2)

DEFINITION 3 Small, Muscular Tubes Carries Urine from Kidneys to Bladder TERM 4

Bladder(1)

DEFINITION 4 Expandable Organ Stores Urine from kidneys Expelled from the body TERM 5

Urethra(1)

DEFINITION 5 Tube(longer in men then woman) Carries Urine from bladder to outside of the body

What are the functions of the urinary system?

Excretion of Metabolic Waste Maintenance of Water-Salt Balance Maintenance of Acid base-balance Hormone Secretion: Renin & Erythropoietin(EPO) Reabsorb Filtered Nutrients TERM 7

Excretion

DEFINITION 7 Nitrogenous Wastes Urea Uric Acid Creatinine TERM 8

Urea

DEFINITION 8 Breakdown Amino Acids in the Liver TERM 9

Uric Acid

DEFINITION 9 Breakdown of Nucleotides TERM 10

Creatinine

DEFINITION 10 Muscle cells from breakdown of Creatine Phosphate

How does the urinary bladder work?

Stores Urine: Sphincters Keep it closed Expandable wall contains middle layer of Circular Fibers of Smooth Muscle & 2 Layers of Longitudinal smooth muscle. Filling activates Stretch Receptors which signal to spinal cord TERM 17

What are the 3 regions of the kidney?

DEFINITION 17 Renal Cortex Renal Medulla Renal Pelvis TERM 18

Renal Cortex

DEFINITION 18 Outer Granulated Layer TERM 19

Renal Medulla

DEFINITION 19 Cone-Shaped Tissue Masses: Renal Pyramids TERM 20

Renal Pelvis

DEFINITION 20 Central Cavity Continues with the Ureter

What are nephrons?

Microscopic Functional Unit of the Kidney Produces Urine TERM 22

Anatomy of a nephron

DEFINITION 22 Glomerulus Proximal Convoluted Tubule Loop of Nephron Distal- Convoluted Tubule Collecting Ducts TERM 23

Glomerulus

DEFINITION 23 Knot of Capillaries Glomerulus Capsules, were pores produce blood filtrate TERM 24

Proximal Convoluted

Tubule

DEFINITION 24 Epithelial Layer with a border of Microvilli Allows Reabsorption of Filtrate Components Reabsorption: Out of Tubules Back into blood TERM 25

Loop of Nephron

DEFINITION 25 U-Shaped Structure with a Descending Limb Allows water to leave & an ascending Limb pushes out salt(loop of Henle)