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Reproductive system
| Question | Answer |
|---|---|
| Parts of the Female Reproductive System | Vulva, Vagina, Cervix, Uterus, Ovaries, Fallopian tubes |
| Where is the female reproductive system located | Pelvis |
| What is the pelvis | large, bony structure near the base of the spine |
| What are the female reproductive system functions | Produce eggs(ova), Produce sex hormones, Protect the fertilized egg until it is fully developed, and give birth |
| What are the female sex hormones | estrogen and progesterone |
| What is the Vulva | The external part of the female reproductive system, covers the opening to the vagina and the other internal organs in the body. |
| What is the vagina | Muscular, hollow tube that extends to the uterus |
| What are the purposes of the vagina | Birth canal( route that babies come out of during birth), and Route for menstrual blood(period) to exit the uterus. |
| What is the cervix | Where the vagina connects with the uterus, cervix means neck |
| What is the uterus | Shaped like an upside down pear, contains some of the strongest muscles in the female body, muscles are able to expand to fit a growing fetus during pregnancy |
| What are fallopian tubes | Connect the ovaries to the upper corners of the uterus, about 4 inches long and as thin as a piece of spaghetti |
| What is an ectopic pregnancy | When you had a fertilized egg implanting in the fallopian tube |
| what is a male gamete | sperm |
| what is a female gamete | egg or ovum |
| Where is the male reproductive system located | Inside and outside of the pelvis |
| Function of the male reproductive system | To produce and release sperm to ultimately fertilize a female egg, produce the sex hormone- testosterone |
| Organs of the Male Reproductive System | The testicles, Duct System, the accessory glands, penis, scrotum, an urethra |
| What are the testicles | Also called "testes", the two testicles produce millions of sperm cells which continually produce throughout their life by never stay the same amount |
| What is the duct system | Consists of the epididymis and the vas deferens, allows the sperm cells to exit the body |
| What is the Epididymis | Part of the duct system, set of coiled tubes, one tube per testiclem connects to the vas deferens, sperm cells enter the vas deferens |
| What is a vasectomy | Form of permanent male birth control, you can either cut vas deferens and cauterize both ends or sew it closed. Second option is reversible |
| What are the vas deferens | Also called the "sperm duct", passes upward along the testicles, sperm mixes with other fluids |
| What is the scrotum | Pouch like structure outside the pelvis, contains the testicles and the epididymis, helps control the temperature, the testicles need to be cooler than the rest of the body to create sperm |
| What is the ideal temp for creating sperm | 95 degrees F |
| What are ovaries? | 2 oval shaped organs that produce, store, and release eggs into the fallopian tubes in a process called ovulation |
| What is the menstrual cycle? | When women release an egg(ova). Egg(ovum) are released by the ovaries into the the fallopian tubes. If the egg is not fertilized by sperm, it dries up and leaves the body through the uterus. this is called menstruation |
| What is fertilization? | If the egg is fertilized by a sperm cell, it becomes a zygote. The fertilized egg burrows into the lining of the uterus |
| What are the accessory glands? | Include the seminal vesicles and the prostate gland, provide fluids to the duct system, fluids lubricate and nourish the sperm |
| What is the seminal vesicles? | Sac like, attach to the vas deferens at the side of the bladder |
| What is the prostate gland? | Produces some parts of the semen, surrounds the ëjaculatory ducts at the base of the urethra |
| What is the penis made up of | The shaft= main part of the penis, the glans= head of the penis, at the end of the glans is a small slit where semen and urine exit the body |
| What is the urethra | The channel that caries the semen to the outside of the body |
| What is seminal fluid? | Produced by the accessory gland, mixes with the sperm in the vas deferens and becomes semen |
| What is Ejaculation? | Semen exits the body, muscles contract and push semen out of the urethra, can contain up to 500 million sperm cells, testosterone is what drives the number of sperm |
| What is fertilization? | Semen is deposited into the vagina, sperm make their way up the cervix and into the uterus, if a mature egg is in one of the females fallopian tubes, a single sperm may penetrate it and fertilization occurs |
| What is ovulation? | ovulation takes place around day 14 of the menstrual cycle |
| Passige into the fallopian tube | Once the egg is reled from the ovary, it travels into the fallopian tube where it remains until a single sperm fertilizes it |
| The journey of sperm | 500-900 million sperm released at a single tim, sperm can reach the egg in a half hour while others take days, sperm can survive for 48-72 hours, due to many natural barriers only a few hundred will come close to the egg |
| Natural barriers | Different Ph balance, and different temp |
| Conception: from egg to embryo | Takes place when lone sperm penetrates a mature egg |
| What is the largest cell in a female body | ovum |
| what is the smallest cell in a male body | sperm |
| what does the yolk sac turn into | placenta |
| On average how many pounds will a woman gain during pregnancy | 20-30 pounds |
| The Cells begin to Divide | The fertilized egg begins dividing rapidly, growing into many cells, leaves the fallopian tubes and enters the uterus 3-4 days after fertilization |
| Implantaiton | after entering the uterus, the embryo attaches to the uterine lining or endometrium, called implantation, cells continue to divide |
| 4 weeks | The face and neck continue to develop, lungs stomach and liver start to develop, a home pregnancy test is now positive |
| What hormone does a pregnancy test test for | HCG |
| 8 weeks | Baby is the size of a grape, inch in size, eyelids and ears are forming, arms and legs are formed, fingers and toes grow longer and more distinct |
| 12 weeks | End of 1st trimester, mesures about 2 and1/2 inches, starts making its own movements, top of uterus is above the pelivic bone in the mother, doctor can hear the baby's heartbeat, the sex organs should start to become clear |
| 16 weeks | Measures 4.3 to 4.6 inches and weighs 2.8 ounces, top of the uterus can be felt about 3 inches below belly button, baby's eyes can blink, heart and blood vessels fully formed, fingers and toes have fingerprints |
| 20 weeks | weighs about 9 ounces and is 6 inches long, uterus the level of the belly button, you'll feel your baby move, called quickening |
| 24 weeks | weighs about 1.4 pounds, responds to sounds by moving or increasing its puls, jerking motions may be due to hiccups, inner ear is fully developed, can sense being upside down |
| 28 weeks | Third trimester, weighs about 2 pounds 6 ounces, changes position frequently, good chance of survival if the baby was born prematurely now |
| 32 weeks | 12.5 inches long and weighs 5.5 pounds, lungs are nearly fully developed, head is down position, pregnancy is at term once 37 weeks have been completed |
| Birth | Can be marked at the end of the 40th week, can be caluculated by using the first day of the last period |
Created by:
samchurch26
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