Lining of uterus thickens with blood, Ovulation occurs (egg released from ovary), Egg enters fallopian tube, Sperm is made in the testicles, Sperm exit the testicles and travel up the vas deferens, Sperm cells mix with semen, Erect penis is inserted into vagina (sexual intercourse), Sperm cells leave the penis (ejaculation) and enter vagina, Sperm travel through the cervix, uterus, and into fallopian tubes, One sperm cell attaches to an egg and forms one cell (fertilization), Cell starts to divide, Cells (zygote) travel through fallopian tube to uterus, Cells attach to wall of uterus (implantation).

Steps of Reproduction

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม