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How Animals and People Start Living
The Sperm and How It Finds the Egg
From an Egg to a Baby
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alder flycatcher animals mate animals start living animals take become alive begin their lives bigger birds are ready bodies become larger boys and girls builds the nest calf call the uterus called the vagina cats chickens egg grows egg start growing egg stays eggs of human elephant fetus fish spawn four-footed animals grow from eggs horse human babies join the egg keep on growing keeping eggs warm leave the uterus left the male lion little bird little tube lives as eggs male bird male sends Male small-mouthed black mammals marry and mate milk milt months mother bird mother's body nest we call Opossum ovum Peacock inviting penis placenta quintuplets ready for mating Salmon grow Scrotum semen send the sperm small-mouthed bass small-mouthed black bass sperm go sperm have left sperm joins sperm to join Spermatozoon swim tail feathers tell trout two-year-old urine or waste world as babies