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With your partner, put the vocabulary words in the correct column. Male Sperm Penis Vas deferens Facial hair Testicles Scrotum Broad shoulders Both Female Urethra Acne Deeper voice Pubic hair Fallopian tubes Cervix Ovulation Uterus Menstruation Vagina Testosterone (more in men) Estrogen (more in women) Progesterone 1. Appropriate and mature behavior/comments are expected. 2. Anatomical terms will be used. 3. Questions that might involve values or ethics, will not be answered, but will be referred home. 4. Personal stories should not include individual names. What is the purpose of the reproductive system???? It is a group of organs that make possible the production of offspring. A new human life results from the union of two specialized sex cells (gametes), one from a male and the other from a female. https://www.youtube.com/watch?v=UOTvgC8DmiE What does the female reproductive system do? It works to make eggs and provide a place to support and nourish a developing human. Let’s look closer. Egg cell Label your diagram. They are the female reproductive organs that produce eggs - Egg cells (ova): sex cells that are produced by the ovaries and can be fertilized by sperm - all of the eggs (early versions) a female will ever have, are in her ovaries when she is born (about 2 million) - 1 egg (usually) is released each month from one of the ovaries. - largest cell in the body- can be seen with the naked eye. They make the hormones estrogen and progesterone - regulate monthly release of an egg and prepare the body for pregnancy Female reproductive organ that provides a place to support a developing human. Also called the womb. Muscular cavity the size of a fist The female reproductive organs that transport an egg from the ovary to the uterus Around 10 cm long The female reproductive organ that connects the outside of the body to the uterus It’s the pathway that a baby takes out of a woman's body during childbirth, sometimes called the birth canal Receives sperm/semen during reproduction The lower portion of the uterus It widens during childbirth to allow the baby the exit Menstrual fluid flows from the uterus through it The bladder stores the urine which is produced by the kidneys. • Is a tube carries urine from the bladder to the outside of the body. A monthly series of hormone-controlled changes that prepare the uterine lining for a pregnancy. OvulationThe release of an egg from a follicle in the ovary. - high levels of estrogen and progesterone thicken and maintain the uterine lining - if pregnancy does not occur – estrogen and progesterone level quickly fall YOUR PERIOD Lining of uterus sheds if there is no fertilization. Lining of the uterus ready to receive the embryo. If egg is fertilized by sperm, embryo travels to the uterus. Days of the Average Menstrual Cycle Lining of uterus begins to thicken in preparation to nourish a fertilized egg OVULATION One egg released Fertilization is the joining of a male and female reproductive cell to make the first cell of a new human. This cell, the fertilized egg, then moves down the fallopian tube and into the uterus. This can take up to 7 days. The fertilized egg attaches to the wall of the uterus and begins to grow. Females can experience both minor and serious problems with their reproductive systems. Premenstrual Syndrome (PMS) Toxic Shock Syndrome - rare but serious bacterial infection associated with incorrect use of menstrual hygiene products. Can cause a rash and fever. Requires immediate care. Infertility - Caused by blocked fallopian tubes or failure to produce eggs. Ovarian Cysts - growths on the ovary. Any pain, swelling, abnormal bloating, or heaviness in the abdominal region should be evaluated STI’s Cancer - can effect breasts, ovaries, uterus, or cervix Females should have regular checkups by a physician and take good care of their reproductive system. Monthly breast exams Shower regularly Record the menstrual periods Practice abstinence What does the male reproductive system do? It works to produce sperm and deliver it to the female reproductive system. Let’s look closer. Label your diagram. The skin covered sac that hangs from the body, below the penis. It holds the testes and epididymis. − Small muscles in the scrotum move the testes closer or farther from the body to help regulate temperature of sperm (if too hot they can become defective). − Optimal temperature is about 96 degrees. The male reproductive organs that make 1. sperm 2. the male hormone testosterone - Two testes rest in the scrotum - Starting a puberty, several hundred million sperm each day is produced - Each sperm is extremely small about 1/600 of an inch - A human egg is about 30 times bigger The bladder stores the urine which is produced by the kidneys. The male reproductive organ that removes urine from the male’s body and that can deliver sperm to the female reproductive system. • Made of soft spongy tissue and blood vessels • Erections - it becomes erect or firm due to blood flow into the tissues (7-12 a day can happen during puberty) • Ejaculation - occurs when semen is released from the penis • Nocturnal emissions – release of semen (the fluid containing sperm) is discharged from the penis during ejaculation while a guy's asleep • It is a very tightly coiled tube where sperm mature (about 3 weeks) and are stored. • Sperm stay there until needed (erection). • After about 48 hours, the old ones are reabsorbed into the body. • They are composed of three primary regions, consisting of a head, a midpiece, and a tail. • The head contains genetic material and is also designed to let it penetrate the female egg, • the midpiece is home to the organelles which allow energy (fuel) production within the sperm. • The tail’s primarily functional is for locomotion (movement) • A long, muscular tube • It transports mature sperm to the urethra in preparations for ejaculation. • A gland in males that adds fluids that nourish and protect sperm from the acid in the female reproductive system Produce thick secretions that nourish the sperm and help sperm move easier Found the base of the urinary bladder • Is a tube that passes through the penis. It carries urine from the bladder to the outside of the body. • Sperm/semen leave the body during ejaculation from this tube A mixture of sperm and other secretions from the male reproductive organ. (65% fluid is produced by the seminal vesicles, 30% by the prostate, 5% sperm from the testicles and epididymis) ( last page of notes ) Males can experience both minor and serious problems with their reproductive systems: o Sterility- not producing enough healthy sperm to have kids o Enlarged prostate gland - associated with aging o STI’s - Infections spread by sexual contact o Cancer - can affect testicles, prostate, other male reproductive organs Males should: Practice self- exam - of scrotum and testicles once a month to check for lumps or unusual swelling Shower/bathe regularly Wear a protective cup or supporter during athletic activities - to prevent accidental injuries