Urinary System Overview

What is the primary function of the urinary system?

Which organ is NOT a part of the urinary system?

Which part of the kidney contains the glomeruli and Bowman's capsules?

What structure in the kidney serves as the entry and exit point for blood vessels and nerves?

What is the approximate rate of plasma fluid filtration in the kidneys?

What is the structural and functional unit of the kidney?

Which statement is true regarding the position of the kidneys?

What is maintained by the urinary system in addition to waste removal?

What is the primary function of the bladder?

Which structure is responsible for draining blood from the kidneys?

What is the approximate length of the ureters in centimeters?

Which part of the bladder is considered the narrowest?

How does the capacity of a full bladder compare to its normal capacity?

What structure in the urinary system has a triangular area called the trigonum vesicae on its internal surface?

What is the total length of the male urethra in centimeters?

Which structure is involved in the process of reabsorption in the nephron?

Urinary System

The urinary system transports urine from the kidneys to the bladder.
In women, the ovaries are near the kidneys.
Kidneys send urine through tubes called ureters to the bladder.
The bladder is a reservoir for urine.

Kidney Functions

Kidneys filter blood and remove waste products.
They maintain electrolyte balance.
They maintain acid-base balance.
They regulate blood volume and blood pressure.
They activate Vitamin D.
Kidneys produce erythropoietin (stimulates red blood cell production).
Kidneys produce hormones, such as creatinine etc.

Location of Kidneys

Kidneys are located in the upper part of the posterior abdominal wall, on either side of the spinal column.
The right kidney is at the level of T12 to L3.
The left kidney is at the level of T11 to L2.
The left kidney is slightly higher than the right kidney.

Ureter Structure

The ureters are tubes about 25-30 cm long.
They transport urine from the kidneys to the bladder.
Ureters pass through the linea terminalis.
They travel along the lateral wall of the pelvis.

Bladder Structure

The bladder is a reservoir for urine.
It is located posterior to the symphysis pubis.
In females, the bladder is anterior to the uterus; in males, anterior to the rectum.
The normal bladder capacity is about 220 mL, but can hold up to 500 mL.
When empty, the bladder is located in the pelvis minor; when full, it can extend up to the umbilicus.

Urethra Structure

In males, the urethra is 20 cm long.
In females, the urethra is 3-5 cm long.
The urethra has two sphincters (internal and external).

Kidney Structure

Kidneys contain functional units called nephrons.
Each kidney contains over 1 million nephrons.
Nephrons create urine.

Urine Formation

Urine formation has three stages: filtration, reabsorption, and excretion.
Filtration occurs in the glomerulus.
Reabsorption returns necessary substances to the bloodstream.
Excretion eliminates metabolic waste products from the blood.

Explore the key components and functions of the urinary system in this quiz. Learn about kidney location, ureter structure, and the roles kidneys play in maintaining bodily functions. Test your understanding of how urine is formed and transported in the body.