| ► | 4.1 Sexual and Asexual Reproduction |
| ► | 4.2 Human Reproduction System |
| ► | 4.3 Menstrual Cycle |
| ► | 4.4 Fertilisation and Pregnancy |
| ► | 4.5 Factors Affecting the Development of a Foetus and Baby |
| ► | 4.6 Infertility and Contraception |
| ► | 4.7 Plant Reproduction |
Keywords:
Sexual reproduction 性生殖
Asexual reproduction 无性繁殖
Vegetative reproduction 营养繁殖
Puberty 青春期
Mentrual cycle 经期循环
Ovulation 排卵
Fertilisation 受精
Implantation of embryo 胚胎植入
Pregnancy 怀孕
Foetus 胎儿
Placenta 胎盘
Umbilical cord 脐带
Birth control method 避孕方法
Stamen 蕊
Pistil 雌蕊
Pollination 授粉
Formation of seeds and fruits 种子和水果的形成
Germination of seeds 种子萌发
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