Reproductive System.

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Presentation transcript:

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