Take out your classwork/homework from last night

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Human Reproduction Everything comes down to a male gamete (sperm) fertilizing a female gamete (egg or ovum) Ensures genetic makeup of the resulting zygote comes from each parent Ensures genetic variation in the human species 23 23 46

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<p>Take out your classwork/homework from last night<br />Sponge: Set up Cornell Notes on pg.73 Topic: 22.1 Male and Female reproductivesystems Essential Question: Describe the majorfunction of the uterus. 22.1 Male and female reproductive systems Describe the major function of the uterus. Take out your classwork/homework from last night Parent permission paper Human Reproduction Everything comes down to a male gamete (sperm) fertilizing a femalegamete (egg or ovum) Ensures genetic makeup of the resulting zygote comes from each parent Ensures genetic variation in the human species 23 23 46 The Male and Female Reproductive Systems<br />The structures of the male and female reproductive systems are adaptedfor the production and release of the gametes (sperm and egg) *Structure is ALWAYS related to function Human Reproduction The organs of the male reproductive system are specialized to: Produce/maintain sperm cells Transport these cells, with supporting fluids, to the female reproductivetract Secrete male sex hormones such as testosterone Human Reproduction Semen: The fluid the urethra conveys to the outside during ejaculation Consists of: Sperm cells and fluids from various glands 2-5 milliliters releasedat a time About 120 million sperm per milliliter Live for many weeks within the ducts of the male reproductive system Live up to three days after being expelled Can be stored for YEARS if kept at a temp below -100 C Male Reproductive System<br />Label the male reproductive system- write a short description of the function of each part p in text Male Reproductive System<br />Urinary bladder Seminal vesicle Vas deferens (ductus deferentia) Prostate gland Urethra anus epididymis Erectile tissue of penis scrotum Testis Scrotum- Sack of skin that contains the testes, epididymis and part of the vas deferens Exposure to cold stimulates the muscles to contract, and the testes to move closer to the pelvic cavity Warmth stimulates the scrotum to hang loosely Provides an environment about 5 F below body temp Testis- (plural testes- or testicles)<br />Produces sperm and male hormones Contained within the scrotum Fun Fact!!! Testes normally drop a month or twobefore birth, but may take as long as ayear Cryptorchidism is a disorder wherethe testes fail to descend into thescrotum May need Undescended testiclerepairis also known as orchiopexy,within the first year of life If left untreated, the cells that normallyproduce sperm cells degenerate and themale is infertile, because thetemperature in the abdominal cavity istoo hot Epididymis- Tightly coiled tube connected within a testis Carries sperm from testes to vas deferens Stores sperm while they finish maturing Once matured, the sperm cells can move independently Vas deferens (ductus deferentia)-<br />Muscular tubes Transports sperm from epididymis to seminal vesicle Fun Fact!!! Avasectomyis an operation that makes a manpermanently unable to get a woman pregnant. It involves cutting the 2 tubes called vasdeferens so that sperm can no longer get intothe semen. F.A.Q: Q. Will I still be able to ejaculate after vasectomy? A. Yes, semen is made in the seminal vesicles and the prostate gland. These are not affected by a vasectomy. Sperm make up only 2 to 5 per cent of the ejaculate so you will not be able to notice any difference in the volume of your ejaculate. Q. Will I still make sperm after my vasectomy? A. Yes, sperm continue to be made in the testes after a vasectomy. After time, however, production of sperm is often reduced. Q. After my vasectomy where do the sperm go? A. The sperm, which are made in the testicles, cannot pass through the vas deferens once they have been cut and tied, so they are reabsorbed by the body. Seminal vesicle- Saclike gland attached to vas deferens Secretes an alkaline fluid that makes up 70% of semen Helps regulate pH Contains fructose which provides energy to the sperm cells Chemical which stimulates muscular contractions within the female reproductive organs, aiding in the movement of sperm cells toward the egg Prostate gland- Chestnut-shaped gland that is inferior to the bladder Connects the seminal vesicles to the urethra Secretes an alkaline, milky white fluid that makes up the remaining 30% of semen Enhances the motility of sperm Helps neutralize the acidic secretions of the vagina, helping to sustain sperm cells that enter the female reproductive tract Urethra- Tube connected to bladder for excretion of urine and semen Penis- Cylindrical organ Conveys urine and semen through the urethra to the outside Erectile tissue of penis- Tissue with vascular spaces to be engorged with blood for erection Urinary bladder- collects urine Anus- opening at which solid waste is excreted P. 72 Crash Course: Human Reproduction Reproductive Disorder Summary<br />10-15 bullets Reproductive Disorder Summary The Male and Female Reproductive Systems<br />The female reproductive system: Ensures a suitable location for fertilization Provides an environment for the growth of theembryo then fetus until birth Female Reproductive System plus bladder<br />Label the female reproductive system- write a short description of the function of each part p in text Female Reproductive System plus bladder<br />Uterine tubes a.k.a. Fallopian tubes Ovary Uterus Cervix Urinary bladder Vagina Urethra Anus Vaginal opening Female Reproductive System (external/internal detail)<br />aka fallopian tubes Label the female reproductive system p. 872 in text (inner lining of uterus) Female Reproductive System (external/internal detail)<br />Uterine Tube aka Fallopian Tube aka fallopian tubes Ovaries Follicles Corpus Luteum Myometrium (Wall of uterus) Uterus Endometrium (inner lining of uterus) (inner lining of uterus) Cervix Vagina Ovary- Female reproductive organ in which eggs are produced Located on each side of the pelvic cavity Fallopian Tubes (Uterine tube or oviducts)-<br />Tube through which an ovum (egg) passes from an ovary to the uterus Uterus- (womb) Hollow, muscular organ Connects cervix and fallopian tubes Receives the embryo that develops from a fertilized egg Fetus develops here Endometrium: blood-rich, inner mucous membrane of the uterus Cervix- Lower part of the uterus Opens to the vagina Opens for childbirth Vagina- Tube that extends from the uterus to the outside Open channel for offspring during birth Urethra- tube connected to bladder for excretion<br />Urinary bladder- collects urine Anus- opening at which solid waste is excreted Crash Course: Reproduction System 12m3s<br />10-15 bullets on p. 72 https://www.youtube.com/watch?v=_7rsH2loIY8 Disorder of Reproductive System<br />Bottom of p. 72 Use the computers to write ashort summary on adisorder/disease of either themale or female reproductivesystem: Name/short description ofdisorder: Cause: Symptoms: Treatment: If left untreated?: Does it affect fertility?:</p>

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