Biology · GCSE · Cells & Organisation

Using stem cells: benefits, risks and ethics

gcse-biol-4-1-2-3bFree152:43Heddy Score 2 of 7, below the standard

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What you need to know

Animal and plant cells share a nucleus, cytoplasm, membrane, mitochondria and ribosomes
Plant cells also have a cell wall, vacuole and chloroplasts

In this clip

2:45–6:29Animal and plant cell structuresgcse-biol-4-1-1-2

6:29–8:10Eukaryotic and prokaryotic cellsgcse-biol-4-1-1-1a

8:10–13:33Specialised cellsgcse-biol-4-1-1-3

13:33–17:51Diffusion and what changes its rategcse-biol-4-1-3-1a

17:51–22:45Osmosisgcse-biol-4-1-3-2

22:45–26:14Active transportgcse-biol-4-1-3-3

26:14–29:53Cell division & growthbh4

29:53–42:44Stem cells: what they are and where they are foundgcse-biol-4-1-2-3a

42:44–44:44Tissues → organs → systemsb2

44:44–48:40Digestion & nutritionb3

48:40–55:56How enzymes workgcse-biol-4-2-2-1a

55:56–58:45Digestive enzymes and bilegcse-biol-4-2-2-1b

Also coversUsing stem cells: benefits, risks and ethicsgcse-biol-4-1-2-3b

Also coversThe heart and double circulationgcse-biol-4-2-2-2a

Also coversBlood vesselsb28

Also coversBlood componentsb32

Also coversCoronary heart disease and its treatmentgcse-biol-4-2-2-4

Also coversTranspiration and stomatagcse-biol-4-2-3-2a

Also coversPathogens & diseaseb35

Also coversRate of photosynthesis and limiting factorsgcse-biol-4-4-1-2a

Also coversAerobic respirationgcse-biol-4-4-2-1a

Heddy Score2/7, Below the standard

Trusted source · passed. The creator's own upload, live and playable here.
On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
Spec-true · not judged yet. Accurate, and right for the current UK specification.
Focused · passed. One idea, short enough to watch in one go.
Accessible · not judged yet. Good captions, clear sound and pictures.
Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.

★ passed · ☆ pending · ✕ failed

Our students

Not enough students yet

Our own students' answers. These are what move ★7 Proven.

How the Heddy Score works

Why we picked it

A very long AQA Paper 1 walk-through for Year 10 and 11 revision; the final YouTube chapter runs for about 94 minutes and covers the rest of the paper untimed, so those topics are listed only as also covered.

emmatheteachie on YouTubechecked 2026-10-16