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The Purpose of Excretion

The Purpose of Excretion

Every living cell constantly carries out metabolism, which refers to the sum of all enzyme-controlled chemical reactions in the body. While some of these reactions create useful molecules, others produce toxic waste products that would damage cells if allowed to accumulate.

Excretion as an example of homeostatic control Lesson

  1. A Level
  2. /Biology
  3. /Excretion as an example of homeostatic control

Step-by-step lessons on OCR A A Level Biology Excretion as an example of homeostatic control. Each one builds up to exam-style questions. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.

Lessons