The stomach, liver and small intestine together form

  1. an organ system
  2. a population
  3. a tissue
  4. an organ
Answer

A) an organ system

Several organs working together make an organ system (digestive). O Level Biology · Topic 1 Cells · 1.2 Specialised cells, tissues and organs

Biology MCQ · More O Level Biology: Cells MCQs · Practise