Reproduction by https://padlet.com/yanting_bao/2et6vb6tszuh How baby are made en-us 2017-04-25 06:24:20 UTC 2026-02-08 09:08:13 UTC hello@padlet.com Stage 1: journey of the sperm yanting_bao https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792442 The sperm cells (male sex cell) are made in the testes. Then they go up the sperm tube and the  glands wil give them a liquid so that they can swim. The sperms then swim though the urethra and into the vagina which is in the female body.]]> 2017-04-28 03:22:16 UTC https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792442 Stage 2: going to the egg ryusei_yasuda https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792715 The sperm cells swim though the cervix and and to the oviduct where the egg cell (female sex cell) is.]]> 2017-04-28 03:26:26 UTC https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792715 Stage 4: the development of a baby and birth yanting_bao https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792867
1.weeks 1-3 of pregnancy: The sperm cell meets up with a egg cell. Then the 
2.weeks 4-8 of pregnancy:
The zygote copy's it's self into a big bundle  to create an embreo.
3.weeks 9-12 of pregnancy:
the fetus is formed and is beginning to look like a baby.
4. weeks 13-21 of pregnancy:
the baby is starting to develop special features like hands and ears.
5. after 9 months the baby is ready to be born.]]> 2017-04-28 03:29:11 UTC https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792867 These are the parts of the male reproductive system peihao_lian https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792971 2017-04-28 03:31:33 UTC https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168792971 Stage 3: fertilisation peihao_lian https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168793921 During sex , the male reproductive system release 300 million sperm cells( the male sex cell) to race for the egg/ovum( female sex cell). Only one can get in which is the the strongest among all 300 millions of them. The rest of them well go to heaven or hell in just two days. No matter how hard they try, they will never get into it once one lucky sperm( who is real lucky) got in the egg.
the egg and sperm combines thier genitic materials and in 24 hours of fertallzation, the cell now beaomes a zygo whch split in to two cells and every two hours it doubles the amount. If it seprate and disconnect, you will get identical twins.
If it did no seprate then it will become a ball of cells which will grow in the uterus.]]> 2017-04-28 03:44:39 UTC https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168793921 These are the different parts of the female reproductive system ryusei_yasuda https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168794105 2017-04-28 03:47:04 UTC https://padlet.com/yanting_bao/2et6vb6tszuh/wish/168794105