The Cells That Threw Away Their DNA (Biology Level 8)
· 6:51 · S2 E2
Episode The Cells That Threw Away Their DNA (Biology Level 8)
So why would your body build cells that are missing parts? We'll find out what each specialist cell gives up to be brilliant at one job. Then we'll see why giving things up means no cell can survive alone, and that forces your body into five levels of teamwork.
The listener can say what a specialised cell is: a cell whose shape matches its function, usually by giving something up. They can name the five levels in order (cell, tissue, organ, organ system, organism) and explain why the levels exist. At the end, the two million new red blood cells made during the episode come back as the proof: cells this specialised need a whole body behind them.
Sources:
• https://mhcc.pressbooks.pub/surveyofbodysystems/chapter/red-blood-cells/ • https://leverageedu.com/questions-answers/name-the-largest-and-the-smallest-cell-in-the-human-body/ • https://thinkmatrix.blog/difference-between-sperm-cells-and-egg-cells • https://sensazioni.org/size-sperm-cell-dimensions • https://biocritter.blog/what-is-the-size-of-the-sperm
Source: Episode 2 - Biology Level 8, Specialist Cells (2/10) Style: Exam prep Length: 1007 words, 7 min target Generated: 2026-10-25
Links in the notes 5
- https://mhcc.pressbooks.pub/surveyofbodysystems/chapter/red-blood-cells/
- https://leverageedu.com/questions-answers/name-the-largest-and-the-smallest-cell-in-the-human-body/
- https://thinkmatrix.blog/difference-between-sperm-cells-and-egg-cells
- https://sensazioni.org/size-sperm-cell-dimensions
- https://biocritter.blog/what-is-the-size-of-the-sperm
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