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 16. Serotonin, Dopamine, and Norepinephrine make up the _______. 17. Less chance of graduating high school, a sense of isolation, and low income are examples of the affects of __________.

Male and Female Reproductive System

Male Reproductive System Fertilization: Union of sperm and egg Fertilization: Union of sperm and egg Sperm: Male reproductive cell Sperm: Male reproductive cell Egg: Female reproductive cell Egg: Female reproductive cell Testes: Make sperm and produce testosterone Testes: Make sperm and produce testosterone Epididymis: Sperm mature here. Leave in 2-10 days Epididymis: Sperm mature here. Leave in 2-10 days Semen: Fluid that nourishes, protects, and allows sperm to move about 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 Ejaculation: Process by which semen leaves the body. Contain 40 to 400 million sperm

Male continued Testicular Torsion: Spermatic cord becomes twisted Testicular Torsion: Spermatic cord becomes twisted Undescended Testes: When the testes remain in the body Undescended Testes: When the testes remain in the body Inguinal Hernia: Part of the intestine protrudes into the scrotum Inguinal Hernia: Part of the intestine protrudes into the scrotum Infertility: Unable to reproduce Infertility: Unable to reproduce Prostate Cancer: Most common cause of cancer in men 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. 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 Ovaries: Produce eggs and female sex hormones Ovulation: Release of an egg from an ovary 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 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. 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 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. 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. Fertilization: The joining of egg and sperm to create one cell. Takes sperm between 15 min. to an hour to reach the fallopian tubes 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. 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 Four days after fertilization the egg reaches the uterus Embryo: Fertilized egg after it has attached itself to the wall of the uterus. Embryo: Fertilized egg after it has attached itself to the wall of the uterus. Placenta: Where the baby develops Placenta: Where the baby develops

Development of the Embryo Embryo grows rapidly once implanted in the uterus. Embryo grows rapidly once implanted in the uterus. Formation of the heart, brain, eyes, buds, internal organs, Formation of the heart, brain, eyes, buds, internal organs, Floats in the amniotic sac Floats in the amniotic sac –Embryo at 5 to 6 weeks

Development of the Fetus. 12 weeks. A developing individual from the ninth week of pregnancy until birth. A developing individual from the ninth week of pregnancy until birth. Brain enlarging Brain enlarging Arms and legs forming Arms and legs forming About 4 inches long About 4 inches long Digestive system forming Digestive system forming Fully functioning heart and blood system Fully functioning heart and blood system Bones forming Bones forming

Development of the Fetus. 16 weeks. About 5 inches long About 5 inches long Mother can feel fetal movement Mother can feel fetal movement

Development of the Fetus. 18 weeks. Skin begins to grow Skin begins to grow About 6 inches long About 6 inches long Hair can be detected on upper lip and eyebrows 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. Features & organs fully formed Features & organs fully formed inches long inches long

Child Birth –First Stage ( Dilation ) A month or two before birth the fetus drops A month or two before birth the fetus drops First stages of delivery strong contractions cause the cervix to dilate 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 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. Ectopic Pregnancy: Embryo implants in Fallopian tube or abdomen. Miscarriage: Usually occur within the first 3 months. Miscarriage: Usually occur within the first 3 months. Toxemia: High blood pressure, swelling, & protein in the urine. Can result in convulsions, coma, & death. 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. Rh Incompatibility: A woman’s antibodies attack substances in the child’s blood. Premature birth: Born before the 37 th week of pregnancy. Premature birth: Born before the 37 th week of pregnancy. Cesarean section: The baby is removed through the woman’s abdomen. Cesarean section: The baby is removed through the woman’s abdomen. Stillbirth: An infant born dead 22 or more weeks after conception. Stillbirth: An infant born dead 22 or more weeks after conception.

The Adolescent Brain

The Teenage Brain.

Changes during Adolescence Puberty: Sexual maturity Puberty: Sexual maturity Hormones: Chemical substances, produced by the endocrine glands, which serve as messengers within the body. Hormones: Chemical substances, produced by the endocrine glands, which serve as messengers within the body. Pituitary gland: Located in the brain. Releases hormones that cause puberty. Pituitary gland: Located in the brain. Releases hormones that cause puberty. Think and reason differently Social growth Social growth

Sexuality and Responsibility How you feel about your body How you feel about your body Desire for physical closeness Desire for physical closeness Thoughts and feelings about sexual intimacy Thoughts and feelings about sexual intimacy Sex does not equal sexuality Sex does not equal sexuality Influenced by the people and media around you Influenced by the people and media around you Sexual Intimacy: Genital touching & or sexual intercourse Sexual Intimacy: Genital touching & or sexual intercourse Emotional Intimacy: Sharing thoughts, feelings, care, respect, and trust. 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." serotonin is believed to play an important role in the regulation of anger, aggression, body temperature, mood, sleep, vomiting, sexuality, and appetite. angeraggressionbody temperature moodsleepvomitingsexuality appetite Norepinephrine is similar to adrenaline and produces the racing heart and excitement. Dopamine is thought to be the "pleasure chemical," producing a feeling of bliss.

Teen Pregnancy facts Greater chance of suffering health problems during pregnancy Greater chance of suffering health problems during pregnancy Greater chance of giving birth to a premature baby Greater chance of giving birth to a premature baby Difficult choice among pregnancy options Difficult choice among pregnancy options Stress of caring for an infant Stress of caring for an infant Increased family conflict Increased family conflict Possible depression, guilt, and sense of isolation Possible depression, guilt, and sense of isolation Both fathers and mothers are less likely to finish high school Both fathers and mothers are less likely to finish high school Greater chance of less success financially Greater chance of less success financially

Skills for Responsible Sexual Behavior Abstinence Resist internal pressure There are many ways to show love There are many ways to show love Self Control Self Control Think of consequences Think of consequences Resist external pressure High-risk situations

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 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.