Human Sexuality Ch. 16, 17.1, 17.4, 17.5 Study Guide 1. Sperm are made in the _____. 2. When a sperm joins with an egg, it is called_________. 3. Fallopian tubes are part of the female reproductive system. T or F 4. Egg cells & female sex hormones are produced in the ________. 5. How many stages are there in child birth? 6. Approximately how much sperm does ejaculate contain? Study Guide Continued 7. What is the most common cause of cancer in men? 8. ________ produce eggs and female sex hormones. 9. Vulva is _____________. 10. A baby grows in the _____. 11. An ______ is a fertilized egg after it has attached itself to the wall of the uterus. 12. A ________ is a developing individual from the ninth week of pregnancy until birth. Study Guide Continued 13. When a baby is removed through the woman’s abdomen, a _________ has occurred. 14. The ______ gland Located in the brain. Releases hormones that cause puberty. 15. ______ is how you feel about your body. 16. Serotonin, Dopamine, and Norepinephrine make up the _______. Less chance of graduating high school, a sense of isolation, and low income are examples of the affects of __________. 17. Male and Female Reproductive System Male and Female Reproductive System Male Reproductive System Fertilization: Union of sperm and egg Sperm: Male reproductive cell Egg: Female reproductive cell Testes: Make sperm and produce testosterone Epididymis: Sperm mature here. Leave in 2-10 days Semen: Fluid that nourishes, protects, and allows sperm to move about Ejaculation: Process by which semen leaves the body. Contain 40 to 400 million sperm Male continued Testicular Torsion: Spermatic cord becomes twisted Undescended Testes: When the testes remain in the body Inguinal Hernia: Part of the intestine protrudes into the scrotum Infertility: Unable to reproduce Prostate Cancer: Most common cause of cancer in men Testicular self exam: Best done after a shower. Look for swelling, lumps, tenderness, or changes in texture by gently rolling each testicle gently between your thumb and fingers. Female Reproductive System Ovaries: Produce eggs and female sex hormones Ovulation: Release of an egg from an ovary Cervix: Base of the uterus, which bulges down into the vagina. Has a small opening through which sperm can enter the uterus Vulva: The visible reproductive parts of a female. Fallopian Tube: Egg travels from the ovary to the uterus. Fertilization occurs here. Egg must be fertilized within 12 to 24 hours Uterus: Hollow muscular organ that provides a place for a baby to grow. Also called the womb. The early development of a child Child Birth and Development; Implantation Fertilization: The joining of egg and sperm to create one cell. Takes sperm between 15 min. to an hour to reach the fallopian tubes 30 hours after fertilization the egg divides into two cells, then four, then eight and so on. Four days after fertilization the egg reaches the uterus Embryo: Fertilized egg after it has attached itself to the wall of the uterus. Placenta: Where the baby develops Development of the Embryo Embryo grows rapidly once implanted in the uterus. Formation of the heart, brain, eyes, buds, internal organs, Floats in the amniotic sac – Embryo at 5 to 6 weeks Development of the Fetus. 12 weeks. About 4 inches long Digestive Bones forming system forming Fully functioning heart and blood system A developing individual from the ninth week of pregnancy until birth. Brain enlarging Arms and legs forming Development of the Fetus. 16 weeks. About 5 inches long Mother can feel fetal movement Development of the Fetus. 18 weeks. Skin begins to grow About 6 inches long Hair can be detected on upper lip and eyebrows Development of the Fetus. 24 weeks. About 9 inches long Eyes can open and close Mouth can open, close, swallow Development of the Fetus. Full term. 18-22 inches long Features & organs fully formed Child Birth – First Stage ( Dilation ) A month or two before birth the fetus drops First stages of delivery strong contractions cause the cervix to dilate Once completely dilated the head of the baby has begun to extend into the birth canal Second Stage ( Expulsion) Head emerges fully and the shoulders rotate Third Stage ( Placental ) Baby is born Complications of Child Birth Ectopic Pregnancy: Embryo implants in Fallopian tube or abdomen. Miscarriage: Usually occur within the first 3 months. Toxemia: High blood pressure, swelling, & protein in the urine. Can result in convulsions, coma, & death. Rh Incompatibility: A woman’s antibodies attack substances in the child’s blood. Premature birth: Born before the 37th week of pregnancy. Cesarean section: The baby is removed through the woman’s abdomen. Stillbirth: An infant born dead 22 or more weeks after conception. The Adolescent Brain The Teenage Brain. Changes during Adolescence Pituitary gland: Located in the brain. Releases hormones that cause puberty. Hormones: Chemical substances, produced by the endocrine glands, which serve as messengers within the body. Puberty: Sexual maturity Think and reason differently Sexuality and Responsibility How you feel about your body Desire for physical closeness Thoughts and feelings about sexual intimacy Sex does not equal sexuality Influenced by the people and media around you Sexual Intimacy: Genital touching & or sexual intercourse Emotional Intimacy: Sharing thoughts, feelings, care, respect, and trust. "The human body releases the cocktail of love rapture only when certain conditions are met and ... men more readily produce it than women, because of their more visual nature." Dopamine is thought to be the "pleasure chemical," producing a feeling of bliss. Norepinephrine is similar to adrenaline and produces the racing heart and excitement. serotonin is believed to play an important role in the regulation of anger, aggression, body temperature, mood, sleep, vomiting, sexuality, and appetite. Teen Pregnancy facts Greater chance of suffering health problems during pregnancy Greater chance of giving birth to a premature baby Difficult choice among pregnancy options Stress of caring for an infant Increased family conflict Possible depression, guilt, and sense of isolation Both fathers and mothers are less likely to finish high school Greater chance of less success financially Skills for Responsible Sexual Behavior High-risk situations Abstinence Resist internal pressure There are many ways to show love Think of consequences Study Guide Answers 1. Sperm are made in the testes. 2. When a sperm joins with an egg, it is called fertilization. 3. Fallopian Tubes are part of the female reproductive system. T or F 4. Egg cells & female sex hormones are produced in the ovaries. 5. How many stages are there in child birth? 3 6. Approximately how much sperm does ejaculate contain? 40 to 400 million Study Guide Answers 7. What is the most common cause of cancer in men? Prostate Cancer 8. Ovaries produce eggs and female sex hormones. 9. Vulva is visible female sex organs. 10. A baby grows in the uterus. 11. An embryo is a fertilized egg after it has attached itself to the wall of the uterus. 12. A fetus is a developing individual from the ninth week of pregnancy until birth. Study Guide Answers 13. When a baby is removed through the woman’s abdomen, a Cesarean section has occurred. 14. The pituitary gland Located in the brain. Releases hormones that cause puberty. 15. Body image is how you feel about your body. 16. Serotonin, Dopamine, and Norepinephrine make up the cocktail of love. 17. Less chance of graduating high school, a sense of isolation, and low income are examples of the affects of teen pregnancy.