Biology · GCSE · Human Body Systems

Blood glucose, insulin and diabetes

Blood glucose, insulin and diabetesFree5:26Heddy Score 3 of 7, below the standard
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What you need to know

  • The pancreas monitors the concentration of glucose in the blood.
  • When blood glucose rises, the pancreas releases insulin so cells take glucose in and the liver stores it as glycogen.
  • Type 1 and Type 2 diabetes have different causes, and the treatments differ too.
  • A controlled carbohydrate intake is one way to stop blood glucose rising too high.
  • For higher tier, glucagon raises blood glucose when the concentration has fallen too low.
Heddy Score3/7, Below the standard
See the seven stars
  • 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 · passed. 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.
On YouTube

688K views · Freesciencelessons 995K subscribers

As reported by YouTube on 2026-11-02. Not part of the Heddy Score.
How the Heddy Score works

Why we picked it

It covers insulin, the two types of diabetes and, for higher tier, glucagon.

Freesciencelessons on YouTubechecked 2026-10-18

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