Reproductive System
Animal Reproduction (26.1) sexual reproduction asexual reproduction fragmentation budding internal fertilization external fertilization monotreme marsupial placental mammal
Monotremes Echidna Platypus
Wombat Tazmanian Devil Marsupials Koala Opossum
Michael Phelps
Male Reproductive System (26.2) sperm semen testes penis vas deferens urethra
Female Reproductive System (26.2) egg (ovum) ovary uterus vagina fallopian tube (oviduct) cervix
Menstrual Cycle (26.3) menstruation ovulation
Fertilization (26.3) fertilization zygote implantation
Growth and Development (26.3) embryo placenta umbilical cord amnionic sac fetus labor infancy childhood adolescence adulthood
End of week 2 Early weeks 5-8 weeks 3-4 weeks 9-16 weeks 17-24 Late weeks 5-8 weeks 25-36 Tiny fingers and toes Bones and bone marrow Sunlight affects sleeping pattern About 40 weeks Heart begins to form
embryo End of week 2 Early weeks 5-8 weeks 3-4 D implantation fertilization weeks 9-16 amnion fetus weeks 17-24 B, E, I A, J F, G Umbilical cord Late weeks 5-8 placenta weeks 25-36 C Tiny fingers and toes Bones and bone marrow Sunlight affects sleeping pattern birth About 40 weeks Heart begins to form
Katie and Cole - 7 weeks Katie Cole Katie Cole
Katie and Cole - 11 weeks
Katie and Cole - 14 weeks Katie Cole Cole Katie Cole Cole
Katie and Cole - 19 weeks Cole Katie Cole Katie
Katie and Cole - 25 weeks Katie Katie Cole
Katie and Cole - 29 weeks Cole Katie
Katie and Cole – 10 days old
Katie and Cole – 1 year old
Katie and Cole – 2 ½ years old