🎓 Summary Chart

Property	What it means	Real-life example
Movement	Changing position or moving parts	Sperm cell swims
Respiration	Breaking glucose for energy	You breathe to get O₂ for it
Homeostasis	Keeping balance inside the body	Sweating when hot
Growth	Becoming bigger by making more cells	Baby growing into an adult
Reproduction	Making new life	Mitosis & Meiosis
Excretion	Removing waste	Urine, CO₂ exhaled
Nutrition	Taking food for energy	Eating lunch gives fuel

🔑 Mnemonics: How Do They Help?

Using “MR. H. GREN” helps because:

• It’s short, easy to remember, and logical.
• If you forget one property in exams, go letter by letter:
  • M – Movement ✅
  • R – Respiration ✅
  • H – Homeostasis ✅
  • G – Growth ✅
  • R – Reproduction ✅
  • E – Excretion ✅
  • N – Nutrition ✅

This technique activates your memory during tests, presentations, or discussions.

🎯 Conclusion – Why Are Cells Important?

Cells are life’s building blocks. Every function that keeps us alive—breathing, thinking, healing—happens because of cells.
In unicellular organisms, one cell does everything. In multicellular organisms, cells work as a team.