Human reproductive systems
Vocabulary
| English | Chinese | Pinyin |
|---|---|---|
| testes | 睾丸 | gāo wán |
| sperm | 精子 | jīng zi |
| testosterone | 睾酮 | gāo tóng |
| ovaries | 卵巢 | luǎn cháo |
| oviduct | 输卵管 | shū luǎn guǎn |
| uterus | 子宫 | zi gōng |
| vagina | 阴道 | yīn dào |
Where new life begins
- Humans reproduce sexually, using specialised male and female organs.
- Each system is built to make gametes and bring them together.
Explore
Reproductive organ lab
Match each organ to its role in human reproduction.
Practice
Sperm are produced in the:
The testes make sperm and testosterone.
The male system
- The testes 睾丸 make sperm 精子 and the hormone testosterone 睾酮.
- Sperm travel through the sperm ducts and leave via the penis.
Human gametes: many small sperm cells and one large egg cell
Practice
Egg cells are produced in the:
The ovaries make eggs and hormones.
Practice
A baby develops in the uterus (womb).
The fertilised egg implants and grows in the uterus.
Practice
An egg travels from the ovary to the uterus along the ______.
The oviduct carries the egg; fertilisation happens here.
The female system
- The ovaries 卵巢 make egg cells (ova) and hormones.
- An egg travels down the oviduct 输卵管 to the uterus 子宫 (womb), where a baby could develop.
Practice
In humans, fertilisation usually happens in the:
Sperm meet the egg in the oviduct.
Where fertilisation happens
- Sperm are deposited in the vagina 阴道 and swim up towards an egg.
- Fertilisation usually happens in the oviduct.
Example
Worked example. An egg released from an ovary travels into the oviduct. If sperm are present, one fertilises it there. The fertilised egg then moves to the uterus to implant and grow.
You've got it
Key idea
- testes make sperm and testosterone; ovaries make eggs and hormones
- the egg travels down the oviduct to the uterus
- fertilisation usually happens in the oviduct