Biology 0610 Cambridge IGCSE (Human reproduction plant reproduction ecology biotechnology)

,Biology Study Notes – Reproduction, Biotechnology & Ecology

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Table of Contents
1. Human Reproduction ……………………………………………
2. Reproduction in Plants …………………………………………..
3. Biotechnology ………………………………………………………
4. Ecology …………………………………………………………………..

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Miriam Maged

, 1. Human Reproduction


Male Reproductive System
• Testes: Site of sperm production and testosterone secretion.
• Epididymis: Stores sperm until ejaculation.
• Scrotum: Protects testes and maintains a temperature 2–3°C lower than body temperature for
sperm development.
• Sperm duct (Vas deferens): Transports sperm via peristalsis.
• Seminal vesicle & Prostate gland: Produce alkaline seminal fluid rich in nutrients for sperm survival
and motility.
• Urethra: Conducts semen and urine out of the body, controlled by muscles to prevent mixing.
If the urethra narrows → painful urination, difficult ejaculation, and infection risk.


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Miriam Maged