BBC Learning Zone Clips

CLIP 1844

How small is a human egg?

How small is a human egg?
Play
Key Info
  • How small is a human egg?
  • Duration: 00:18
  • This short demonstration shows two electron micrographs of a human egg cell. The egg cells are only just visible to the naked eye and can indeed fit onto the tip of a pin. This is shown in the second electron micrograph.
  • Subject:

    Science

       Topic:

    Bio: Human Body

  • Keywords: egg cell, girl, female, menstruation, puberty, adolescence, gamete
Ideas for use in class
  • This clip could be used show how small human cells are. After showing this video, teachers could explain that the human egg cell is the largest cell in terms of volume in the human body, and the sperm cell is the smallest. This could lead to a discussion of why these gametes are sized in this way and their adaptations.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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