PPT-Child Development 1. Fertilization of an ovum outside a woman’s body is called…

Artificial insemination In vitro fertilization Eugenics Genetic engineering B 2 The first milk produced by a woman in the first few days after giving birth is called Formula Enrichment. Revised . Fall 2012. How does the Female Body Prepare for Conception?. Describe the process of maturation of an ovum. Menstrual Cycle. Varies every 28 - 35 days. The time between ovulation and menstruation is relatively constant (14 days). . 4.1 The Developing Baby. 4.2 Problems in Prenatal Development. 4.3 Avoiding Dangers to the Baby. Chapter 4 Objectives. List the methods of family planning. Outline what occurs during each of the three stages of prenatal development. Main Idea: Animals have specialized structures for sexual reproduction.. Gonads-specialized reproductive organs that produce sperm or eggs. Ovaries produce egg cells . Testes produce sperm. Female. Male. Salma Zamora. Formation of Sperm. Age. : These . changes occur in boys between the ages of 12 and 16, with a wide variation. Some boys may start even . later, or earlier. . Puberty: It hits guys around 12 years old but Puberty is a process that goes on for several years its different to all.. (Begin on Page 463). Fertilization. In human mating, hundreds of . millions. of sperm are ejaculated into the . vagina. . The sperm then pass through the . cervix. , up through the . uterus. , and into the . PUBERTY, DRAWING Puberty. Illustration of the changes observable at puberty in both boys and girls (genitals, weight and height, secondary sex characteristics and other characteristics . developped. specifically due to the secretion of testosterone in boys and estrogen in girls.. internal fertilization allows animals to reproduce sexually.. internal fertilization requires much less expenditure of resources.. internal fertilization produces more offspring, ensuring rapid population growth.. Did you know….. “Identical twins” may not be exactly identical?. All but 300 human genes have counterparts in mice?. “Birth defects” do not always appear at birth?. Fetuses can learn and remember while in the womb, and they respond to their mother’s voice?. Fishes . Amphibians. Reptiles. Mammals. Monotremes. Marsupials Placental Mammals. General Animal Features. The ancestral animals at the beginning of the evolutionary tree . are: . 1. . THE MENSTRUAL CYCLE (Period). Days 1-5: . The lining of the . UTERUS. is shed. Blood and tissue leave the body through the . VAGINA. .. Days 1-13: . An ovum . MATURES. in the ovary.. Day . 14. : . Developmental Biology UNIT I. Contents. . Fertilization: Definition and types . Events of . Fertilization . in Sea Urchin. Fig. 1 Recognition . of Egg . by . Sperm in Sea Urchin and . Mouse. Sperm contact with egg and . ..   Animal kingdom comprises multicellular eukaryotic organisms that do not possess a cell wall.. Basis of classification. LEVELS OF ORGANIZATION. Cellular . Level of Organization. Tissue Level of Organization. Root . Refers to. cervic. /o. cervix. oo. egg. ovari. /o. ovary. spermat. /o. sperm. uter. /o; . hyster. /o; . metr. /o. uterus. Term . Meaning . amniotic sac . fluid-filled sac that surrounds the fetus inside the uterus. Each sex has pair of . gonads,. . reproductive. . duct . and . accessory. structures.. Sex organs . – . Testis( . paired) . male , . ovaries (paired) Gamete. . formation,. hormones. Puberty. Gametogenesis .