CIE IGCSE Biology

Revision Notes

16.2.1 Sexual Reproduction: Humans

The Male Reproduction System

The male reproductive system, IGCSE & GCSE Biology revision notesThe male reproductive system

 

Male reproductive structures and their function:

The Male Reproductive System table, IGCSE & GCSE Biology revision notes

The Female Reproduction System

The female reproductive system, IGCSE & GCSE Biology revision notesThe female reproductive system

 

Female reproductive structures and their function:

The Female Reproductive System table, IGCSE & GCSE Biology revision notes

Gametes & Fertilisation

  • Fertilisation is the fusion of the nuclei from a male gamete (sperm cell) and a female gamete (egg cell)
  • It occurs in the oviducts
  • Gametes have adaptations to increase the chances of fertilisation and successful development of an embryo

Gametes & Fertilisation table, IGCSE & GCSE Biology revision notes

Comparing sperm and egg cells (illustration), IGCSE & GCSE Biology revision notesComparing sperm and egg cells

 

Extended Only

Adaptations of Gametes Explained

Adaptations of Gametes Explained table, IGCSE & GCSE Biology revision notes

Extended Only

Comparison of Male & Female Gametes

Comparison of Male & Female Gametes table, IGCSE & GCSE Biology revision notes

Author: Jenna

Jenna studied at Cardiff University before training to become a science teacher at the University of Bath specialising in Biology (although she loves teaching all three sciences at GCSE level!). Teaching is her passion, and with 10 years experience teaching across a wide range of specifications – from GCSE and A Level Biology in the UK to IGCSE and IB Biology internationally – she knows what is required to pass those Biology exams.
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