Class 6 Exam > Class 6 Videos > Science Class 6 > Excretory System
Excretory System Video Lecture | Science Class 6
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FAQs on Excretory System Video Lecture - Science Class 6
| 1. What is the main function of the excretory system? |  |
Ans. The main function of the excretory system is to remove waste products, toxins, and excess substances from the body. It helps maintain the body's internal environment by regulating the balance of water, electrolytes, and pH levels.
| 2. How does the excretory system eliminate waste from the body? | |
Ans. The excretory system eliminates waste from the body through various organs. The kidneys filter waste products from the blood and produce urine, which is then transported to the bladder for storage and later excretion through the urethra. Additionally, the liver helps detoxify harmful substances and eliminate them through bile, while the lungs eliminate carbon dioxide and water vapor during respiration.
| 3. What are the major organs of the excretory system? | |
Ans. The major organs of the excretory system include the kidneys, bladder, ureters, urethra, liver, and lungs. The kidneys are responsible for filtering waste products from the blood, while the bladder stores urine until it is eliminated through the urethra. The liver helps detoxify harmful substances, and the lungs eliminate carbon dioxide and water vapor.
| 4. How does the excretory system regulate the balance of water and electrolytes in the body? | |
Ans. The excretory system regulates the balance of water and electrolytes in the body through the kidneys. The kidneys adjust the amount of water reabsorbed into the bloodstream and the amount of water excreted as urine, depending on the body's needs. They also regulate the levels of electrolytes, such as sodium, potassium, and calcium, by selectively reabsorbing or excreting them.
| 5. What are some common disorders or diseases of the excretory system? | |
Ans. Some common disorders or diseases of the excretory system include urinary tract infections, kidney stones, kidney failure, urinary incontinence, and liver diseases like hepatitis. These conditions can disrupt the normal functioning of the excretory system and lead to various symptoms, such as pain, frequent urination, blood in urine, fluid retention, and impaired detoxification.
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Nov 22, 2024 Last updated |
Video Description: Excretory System for Class 6 2024 is part of Science Class 6 preparation.
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