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Human Excretory System Video Lecture | Biology Class 11 - NEET
FAQs on Human Excretory System Video Lecture - Biology Class 11 - NEET
| 1. What are the main excretory organs in the human body? |  |
Ans. The main excretory organs in the human body are the kidneys, liver, lungs, skin, and intestines.
| 2. How do the kidneys function as excretory organs? | |
Ans. The kidneys filter waste products from the blood to produce urine, which is then excreted from the body. They also help regulate the body's fluid balance and blood pressure.
| 3. What role does the liver play in excretion? | |
Ans. The liver helps in the excretion of waste products such as bilirubin, cholesterol, and drugs. It also plays a role in detoxification and metabolism of various substances.
| 4. How do the lungs act as excretory organs? | |
Ans. The lungs excrete carbon dioxide and water vapor during respiration. They help remove waste gases from the body and maintain the balance of oxygen and carbon dioxide levels in the blood.
| 5. How does the skin contribute to excretion? | |
Ans. The skin excretes waste products such as sweat, which contains water, salts, and small amounts of urea. Sweating helps regulate body temperature and remove toxins from the body.
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