Reproduction Male sperm fuses with female egg. If tdf (a gene) is present‚ then the embryo develops testes and produces testosterone. Female Reproductive system • Female baby develops if tdf is not present. • Tdf – a gene located on Y chromosome; if girl‚ then two X chromosomes‚ hence no Tdf. • Female hormones: progesterone and estrogen ( both secreted by mother’s ovaries and placenta which allow female genetilia to develop. Parts of the female reproductive system:
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Access to HE (Science) Unit: Human Anatomy and Physiology Assignment Brief (2/3) Unit Code: RH1/3/ER/002 This brief is in two parts: |TASKS: | See Part 2 for Criteria and Grade Descriptors Task 1 Level 2/3: Criteria: 3.1 1. Observe the diagram below of the human skeleton and answer the following questions a. Label
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Introduction Abortion is the expulsion of a fetus from the uterus before it has reached the stage of viability (in human beings‚ usually about the 20th week of gestation). An abortion may occur spontaneously‚ in which case it is also called a miscarriage‚ or it may be brought on purposefully‚ in which case it is often called an induced abortion. Reasons for Abortion Some societies ban abortion almost completely while others permit it in certain cases. Such societies usually lay down a maximum
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arousal Menstrual cycle Only occurs in humans‚ apes‚ and old world monkeys Other animals have an estrus cycle These animals are only receptive to males when they are at the right point of their estrus cycle Not always monthly 2 parts: ovarian cycle and uterine cycle Hormone involvement Hypothalamus releases GRH to anterior pituitary causing it to release FSH and LH Average cycle
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enjoy!!! :]]] EFFECTS OF ILLEGAL ABORTION A Research Paper Presented to Ms. Rivera RAMON MAGSAYSAY (CUBAO) HIGH SCHOOL Ermin Garcia St. Cor. EDSA Cubao Quezon City In partial fulfillment of the requirement of English IV By: Rowena Louise V. Eustaquio IV-Scarlet ii APPROVAL SHEET This research entitled “Effects of
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Total – completely covers opening * Observe bleeding during contraction Manifestations: * bright red‚ painless vaginal bleeding * risk of hemorrhage increases with nearing of labor * fetus often in abnormal presentation because uterine segment is covered‚ therefore‚ there is no descent * fetus may have anemia because of chronic bleeding * Mother may be more at risk postpartum for infection and hemorrhage * Vaginal organisms can easily reach placenta site * Lower
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weeks for uncontrolled blood pressure and for twins following prolonged history of infertility. Introduction: Hetrtopic or Heterotropic pregnancy is presence of an intrauterine and extra-uterine pregnancy in a single given time. The intrauterine pregnacy may be a singleton or multiple pregnancies. The extra uterine pregnancy is called as ectopic pregnancy and which can be there in one of the fallopian tubes or ovary. Heterotopic pregnancy has become very common entity with advent of assisted reproductive
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The Four Stages of Labor There are four stages of labor. First Stage of Labor Thinning (effacement) and opening (dilation) of the cervix During the first stage of labor‚ contractions help your cervix to thin and begin to open. This is called effacement and dilation. As your cervix dilates‚ your health care provider will measure the opening in centimeters. One centimeter is a little less than half an inch. During this stage‚ your cervix will widen to about 10 centimeters. This first stage of labor
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ISC Board Important Questions Biology [Set-1] Q1. a) (i). Absorption spectrum and Action spectrum Answer: A curve obtained by plotting the amount of absorption of different wavelengths of light by a particular pigment is called absorption spectrum of that pigment. An action spectrum is a curve showing the effectiveness of different wavelengths of light in stimulating the process being investigated. (ii). Heart Wood and Sap Wood Answer: In most trees the outer light colored region of the wood
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12‚ 2014‚ from https://content.learntoday.info/collegis/eBooks/Anatomy/OPS/book.html?page=431# b. McMahon‚ M.‚ & Osborne‚ K. (2014‚ May 24). What is Semen?. WiseGeek. Retrieved June 12‚ 2014‚ from http://www.wisegeek.com/what-is-sperm.htm 2. The uterine cycle is the menstrual cycle while the ovarian cycle is a cycle that focuses on changes of the ovaries. These two make up the reproductive cycle. Both cycles are controlled by secretion of the hormones called Follicle-Stimulating Hormone and Luteinizing
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