Urinary System (YEAR 8)

What is the urinary system?

The urinary system is the body's filtration system that removes toxins and waste from the body, producing urine.

What are the main organs of the urinary system?

The main organs include the kidneys, ureters, bladder, and urethra.

How do the kidneys function in the urinary system?

The kidneys filter blood, separating toxins from nutrients, and produce urine.

What is the role of the ureters in the urinary system?

The ureters are tubes that carry urine from the kidneys to the bladder.

What is the function of the bladder?

The bladder holds urine until it is ready to be expelled from the body.

What is the urethra?

The urethra is a tube that carries urine from the bladder out of the body.

What is the primary function of the urinary system?

The primary function is to filter blood, eliminate excess water, salt, toxins, and waste products.

How many kidneys do humans have and where are they located?

Humans have two kidneys, located on either side of the back of the abdomen, below the rib cage.

What is the size comparison of kidneys to everyday objects?

Each kidney is about the size of a fist.

How much blood do the kidneys filter daily?

The kidneys filter about 120 to 150 quarts (113.6 to 141.95 liters) of blood each day.

How much urine do the kidneys typically produce in a day?

The kidneys typically produce about 1 to 2 quarts (0.95 to 1.95 liters) of urine each day.

What do sphincter muscles do in the urinary system?

Sphincter muscles close off the urethra to keep urine in when not using the toilet.

What happens if there is a problem in the urinary system?

Issues at any step can affect the ability to urinate normally.