Which term describes the removal of toxic materials and waste products from the body?

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Test your knowledge of IGCSE Coordinated Science terms. Study with flashcards and multiple-choice questions, each with hints and explanations. Prepare effectively for your exams!

Multiple Choice

Which term describes the removal of toxic materials and waste products from the body?

Explanation:
Excretion is the process of removing toxic materials and waste products from the body, keeping the internal environment clean. The kidneys filter waste like urea from the blood to form urine, the lungs exhale carbon dioxide, and the skin can release waste through sweat. This is different from ingestion (taking substances into the body), growth (increasing in size), and sensitivity (the ability to respond to stimuli).

Excretion is the process of removing toxic materials and waste products from the body, keeping the internal environment clean. The kidneys filter waste like urea from the blood to form urine, the lungs exhale carbon dioxide, and the skin can release waste through sweat. This is different from ingestion (taking substances into the body), growth (increasing in size), and sensitivity (the ability to respond to stimuli).

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