EP 6. Reproductive System.pdf

THE REPRODUCTIVE SYSTEM A. FUNCTIONS C. MALE REPRODUCTIVE To produce offspring FUNCTIONS & PROCESSES To produce gametes (ova...

THE REPRODUCTIVE SYSTEM A. FUNCTIONS C. MALE REPRODUCTIVE To produce offspring FUNCTIONS & PROCESSES To produce gametes (ova and sperm) 1. Spermatogenesis - semen production; begins To store and transport reproductive during puberty and continues throughout life cells 2. Ejaculation - sudden ejection of semen from To nurture offspring as it develops the penis to the body exterior To produce hormones for growth, 3. Testosterone production - for the development, sexual behaviors & drives development of secondary sex characteristics a. Interstitial cells, when activated by luteinizing hormones (LH) produce B. DIVISIONS OF THE testosterone REPRODUCTIVE SYSTEM TEST YOURSELF: What are examples of male and Primary Reproductive Organs female secondary sex characteristics? produces the gametes and hormones Testes or male gonads Ovaries BioInquiry No. 2 e of? Accessory Organs What is semen mad transports & sustains the gametes, and is rich in ish secretion that nurtures the offspring (for female) It is a thick, yellow tamin C, prostaglandins, sugar (fructose), Vi r substances. and othe g is h an d ac tiv at e the sperm, allowin They nour ss through the trac t. epididymis uterine it to “swim” and pa Duct uterus ductus System deferens vagina urethra External scrotum vulva D. FEMALE REPRODUCTIVE penis genitalia FUNCTIONS & PROCESSES 1. Oogenesis - production of female gametes or sex cells BioInquiry No. 1 2. Menstrual Cycle - the cyclic changes that occur at puberty gametes that a. Endometrium sheds in response to What happens to the ilized? changes in the levels of ovarian do not get fert e body hormones in the blood ly go out of th They die and eventualabsorbed (males). 3. Hormone Production by the Ovaries (females) or get re d sperm alike are a. Estrogen - causes the appearance of Once released, egg an minutes or hours the secondary sex characteristics destined to die within her and fuse in the b. Progesterone - for nourishment of ot unless they find eachfertilization. the growing fetus process of the Cell, 2002). (Mol ular Biology of ec THE REPRODUCTIVE SYSTEM | 1  THE REPRODUCTIVE SYSTEM MALE REPRODUCTIVE SYSTEM FEMALE REPRODUCTIVE SYSTEM THE REPRODUCTIVE SYSTEM | 2  THE REPRODUCTIVE SYSTEM BioInquiry No. 3d a G. SAFE PRACTICES IN ons behin Sex is a What are the reas period? REPRODUCTIVE AND rep natural proces roductive missed or lateof pregnancy; stress, s NOT bethat should ibility Aside from the possweight, ovarian conditions, SEXUAL HEALTH shamed. low and high body nic diseases, thyroid issues, birth control, chromore can cause irregular and so much period to It’s typical for your menstrual cycles!n it first begins and when the Vasectomy - a minor Birth control pills - a be irregular: whe se transition starts. operation where a medicine packed with menopau (Prophete, 2023) small incision is made hormones that is taken into the scrotum and daily to prevent through the vas pregnancy by deferens preventing the E. MAMMARY GLANDS Sperms are still production of viable Accessory organs of the female reproductive produced oocytes system Use of condom - a Tubal ligation - a type Biological function to produce milk that form of contraception of permanent birth nourishes a newborn baby that prevents the control Produces milk after the birth of a baby in transport of semen to Fallopian tubes response to hormonal stimulation the female are cut and tied to reproductive tract prevent pregnancy FUN FACT: Mammary glands are modified sweat glands! F. FERTILIZATION AND H. STIs AND ITS PREVENTION STIs stand for Sexually Transmitted EMBRYONIC DEVELOPMENT Infections 1. Fertilization According to the World Health Organization 2. Development of the human fetus and Medical News Today, STIs cannot spread 3. Childbirth via utensils, toilet seats, swimming pools, soaps, or bedding. EFFECTS OF PREGNANCY ON THE MOTHER Increased respiratory, circulatory, and EXAMPLES OF STIs: urinary demands since the developing Chlamydia - caused by the bacterium fetus gets his/her nutrition from the Chlamydia trachomatis mother; thus, good nutrition is necessary Genital Herpes (Herpes Simplex Virus (HSV)) to produce a healthy baby. Human immunodeficiency virus (HIV) - a virus that attacks the immune system COMMON PRACTICES TO PREVENT STIs Use of condoms - barrier method of contraception is offered as one of the most effective methods of protection against STIs Vaccination - safe and highly effective vaccines are available for 2 viral STIs: hepatitis B and HPV THE REPRODUCTIVE SYSTEM | 3  THE REPRODUCTIVE SYSTEM BioInquiry No. 4 bryos all human em How is it true thatas females? start life e as females, as do s start lif All human embryo mals. According to Sherfey, all embryos of mam le from the y of sexuality articgonads only in the Some biolog Medicine, sinc e National Library ofby the eighth week, only then start developing or absence of testosterone does the presenceer male or female accessory BioMinds determine wheth e organs are formed. reproductiv Dr. Carmencita Padilla a Professor of Pediatrics at the College of Medicine, University of the Philippines (UP) Manila. Dr Padilla a graduate of BS Pre-Medicine in UP Diliman cum laude (1976) and BS Medicine in UP College of Medicine, UP BioConnect Manila (1981); MA in Health Policy Studies at the College of Public Health, Prevalence of urinary tract infection and UP Manila (2005) She took pediatric residency at the antibiotic sensitivity among pregnant Philippine General Hospital and women having prenatal check-up at a pursued a fellowship in Clinical tertiary hospital in Manila. Genetics at the Royal Alexandra Hospital for Children, Sydney, Australia For more information: click THIS Dr. Padilla is recognized for her significant contribution to the field of clinical genetics in the Philippines. Her notable studies were conducted on the prevalence and cost-benefits analysis of national program for newborn screening a to prevent mental retardation and death from certain congenital disorders detectable at birth. Notes: It is due to her research that newborn screening is being implemented in over 7,400 health facilities in the Philippines to date, saving countless babies from mental retardation and death. THE REPRODUCTIVE SYSTEM | 4