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SubjectsGeneral ScienceBiologyChapter 8 — Cell & Tissues8.3 Tissues & Organs

Topic 8.3 · General Science · Cell & Tissues

Tissues & Organs

Tissues & Organs is studied as part of "Cell & Tissues" (Biology) in General Science. The cell is the basic unit of life — its structure, division and organisation into tissues underlies all biology.

In the examination context, tissues & organs carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.

Important Facts

Mitosis
Cell division for growth and repair
Meiosis
Reduction division producing gametes
Mitochondria
Powerhouse of the cell
Nucleus
Controls cell functions; contains DNA

Key Points

  • Mitochondria — Powerhouse of the cell
  • Nucleus — Controls cell functions; contains DNA
  • Mitosis — Cell division for growth and repair
  • Meiosis — Reduction division producing gametes

Important Names

Robert HookeRudolf Virchow

Important Dates

1665Hooke discovered cells
1855Virchow: omnis cellula e cellula
Exam-Oriented Notes
  • »Mitosis = body cells, meiosis = gametes. Mitochondria generate ATP — the cell's energy currency.

Related topics

8.1 Cell Structure & Organelles8.2 Cell Division — Mitosis & Meiosis8.4 DNA, Genes & Heredity
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