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Excretion in Human Beings (Easy Explanation) Video Lecture - Class 10
FAQs on Excretion in Human Beings (Easy Explanation) Video Lecture - Class 10
| 1. What is excretion in human beings? |  |
Ans. Excretion in human beings refers to the process of removing waste materials and harmful substances from the body. It is an essential function for maintaining a healthy internal environment.
| 2. What are the major organs involved in excretion in human beings? | |
Ans. The major organs involved in excretion in human beings are the kidneys, lungs, skin, and liver. The kidneys filter waste products from the blood, the lungs remove carbon dioxide during exhalation, the skin eliminates sweat containing toxins, and the liver processes and removes toxins from the bloodstream.
| 3. How does excretion occur in the kidneys? | |
Ans. Excretion in the kidneys occurs through a complex process called urine formation. Blood enters the kidneys, and through filtration, waste products such as urea, excess salts, and water are removed. These waste products then combine to form urine, which is eventually excreted from the body.
| 4. What is the role of the liver in excretion? | |
Ans. The liver plays a crucial role in excretion by filtering and processing harmful substances in the bloodstream. It detoxifies various chemicals, drugs, and toxins, converting them into less harmful forms that can be excreted in bile or urine.
| 5. How does the process of excretion help maintain homeostasis in the body? | |
Ans. The process of excretion helps maintain homeostasis in the body by removing waste products and maintaining the balance of essential substances. By eliminating toxins and regulating the levels of water, salts, and other substances, excretion ensures that the internal environment of the body remains stable and optimal for its proper functioning.
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Nov 15, 2024 Last updated |
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