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Questions and Answers
What is the urinary system also called?
What is the urinary system also called?
urinary tract
What do the kidneys do?
What do the kidneys do?
filter waste from the blood and produce urine
Which of the following are parts of the urinary system? (Select all that apply)
Which of the following are parts of the urinary system? (Select all that apply)
The ureters are thin tubes that carry urine from the bladder to the kidneys.
The ureters are thin tubes that carry urine from the bladder to the kidneys.
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What is the function of the bladder?
What is the function of the bladder?
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What does urine contain?
What does urine contain?
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The tube that carries urine from the bladder out of the body is called the ______.
The tube that carries urine from the bladder out of the body is called the ______.
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What can white blood cells in urine indicate?
What can white blood cells in urine indicate?
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To keep your urinary system healthy, you should drink plenty of ______.
To keep your urinary system healthy, you should drink plenty of ______.
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The male urethra and female urethra end in the same location.
The male urethra and female urethra end in the same location.
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Study Notes
Overview of the Urinary System
- The urinary system, or urinary tract, is responsible for eliminating waste products from the body.
- Kidneys are the organs that produce urine by filtering out salts, toxins, and excess water from the blood.
Components of the Urinary System
- Kidneys: Two bean-shaped organs that filter blood and produce urine; each kidney is roughly the size of a fist and located under the ribcage.
- Ureters: Two thin tubes that transport urine from the kidneys to the bladder.
- Bladder: A muscular sac that stores urine until it is expelled from the body.
- Urethra: A tube that carries urine from the bladder to the outside world; its length differs between males and females.
Functions of the Kidneys
- The kidneys filter waste and toxins from the blood, preventing harmful buildup that can affect health.
- They're vital for producing urine, acting as the body's waste removal system.
Role of the Ureters
- Ureters serve as conduits, carrying urine from the kidneys to the bladder for temporary storage.
Functionality of the Bladder
- The bladder expands as it fills with urine; nerve signals trigger the need to urinate when it's full.
- Walls of the bladder contract during urination, while sphincter muscles relax to allow urine to exit through the urethra.
Understanding Urine Composition
- Urine consists mainly of water, urea (from protein breakdown), urochrome (providing color), salts, creatinine, bile byproducts, and ammonia.
- Urine analysis can indicate kidney function and potential infections, such as the presence of white blood cells.
Hydration and Urinary Health
- Adequate fluid intake is essential for proper urinary system function; increased water intake dilutes urine, resulting in a lighter color.
- Proper hygiene practices, especially for females, can prevent urinary tract infections (UTIs).
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Description
This quiz explores the functions and components of the urinary system, also known as the urinary tract. Learn how the kidneys produce urine and the pathway waste takes out of the body. Test your knowledge on this vital bodily system!
