VIDEO ANIMASI SISTEM URINARIA (SISTEM PERKEMIHAN) | MEDIA BELAJAR FISIOLOGI KEBIDANAN | UNISA YOGYA

Summary

This video explains the urinary system, focusing on its crucial role in blood filtration, waste removal, and homeostasis. It details the structure and function of the kidneys, ureters, bladder, and urethra, describing how each part contributes to maintaining the body's balance. Key topics include the different types of nephrons, the anatomy of the urinary organs, and how urine is formed and excreted. It concludes with advice on maintaining urinary health through proper hydration, diet, cleanliness, exercise, and rest, emphasizing the importance of preventing disruptions in the system.

Takeaways

• 😀 The urinary system is responsible for filtering blood, removing waste, and maintaining body homeostasis.
• 😀 The main organs involved in the urinary system are the kidneys, ureters, bladder, and urethra.
• 😀 Kidneys are located in the retroperitoneal space and have an important role in regulating water volume, osmotic balance, and excreting metabolic waste.
• 😀 Each kidney contains about 1 million nephrons, which are the functional units of the kidneys, responsible for filtering blood.
• 😀 Nephrons are classified into cortical and juxtamedullary types, based on their location and function within the kidney.
• 😀 The ureters are small tubes that transport urine from the kidneys to the bladder, and they are susceptible to infections and blockages.
• 😀 The bladder is a hollow sac that stores urine, with smooth muscles helping to empty it during urination.
• 😀 The urethra serves as the channel for urine to exit the body, with different anatomical features in males and females.
• 😀 In males, the urethra is about 20 cm long and passes through the prostate and penis, while in females it is about 3-4 cm long.
• 😀 Maintaining urinary health involves staying hydrated, not holding in urine, eating well, exercising, and getting enough rest.
• 😀 Disturbances in the urinary system can lead to the accumulation of waste and toxins, causing health problems.

Q & A

What is the main function of the urinary system?

The main function of the urinary system is to maintain internal balance or homeostasis by filtering blood, removing waste, and excreting substances that the body no longer needs in the form of urine.

What organs make up the urinary system?

The urinary system consists of the kidneys, ureters, bladder, and urethra.

What is the function of the kidneys in the urinary system?

The kidneys filter blood to remove waste products and excess substances. They regulate water volume, osmotic balance, ion levels, acid-base balance, and also perform hormonal and metabolic functions.

Where are the kidneys located, and what is their shape?

The kidneys are located in the retroperitoneal space on the back wall of the abdomen, with the right kidney being lower than the left due to the presence of the liver. The kidneys resemble a soybean shape.

What are nephrons, and what types are there?

Nephrons are the functional units of the kidney. There are two types: cortical nephrons, which are located near the outer cortex and have short loops of Henle, and juxtamedullary nephrons, which are located near the inner cortex and have long loops of Henle that extend deep into the medulla.

What are the primary functions of the ureter?

The ureters are small tubes that transport urine from the kidneys to the bladder. They use peristaltic movements to move urine into the bladder.

How long are the ureters, and what is their structure?

The ureters are approximately 25-30 cm long and 0.5 cm in diameter. Their wall consists of connective tissue, smooth muscle, and mucosa.

What is the structure and function of the bladder?

The bladder is a hollow sac located behind the pubic bone. It consists of three smooth muscle layers that help empty the bladder during urination. It stores urine until it is excreted.

How does the bladder function in urination?

During urination, the bladder contracts, expelling urine through the urethra. The bladder has two main parts: the body, which stores urine, and the neck, which funnels the urine into the urethra.

How does the male urethra differ from the female urethra?

In males, the urethra is approximately 20 cm long and passes through the prostate and penis, serving both urinary and reproductive functions. In females, the urethra is much shorter, around 3-4 cm, and functions solely for the passage of urine.

What can happen if the urinary system is disturbed?

If the urinary system is disrupted, waste products and toxins can accumulate in the body, leading to various health problems. It is crucial to maintain urinary health through hydration, proper diet, cleanliness, and regular exercise.