| Term | Definition |
|---|
| Masters and Johnson | observed sexual activity in a laboratory setting, using tools and techniques to measuring the physical responses of 700 men and women |
| Alfred Kinsey | Surveyed people about their sexual history |
| What is the first phase of sexual activity? | Excitement phase |
| What happens during the excitement phase? | Physical stimulation (kissing and hugging), muscle tension and nipple erection, blood pressure; heart pressure; and breathing increase; erectile tissues called penis and clitoris swell with blood; Vaginal Secretions; and breast swelling |
| What is the second phase of sexual response? | Plateau Phase |
| What hapens in the second phase? | Heart rate increases; breathing rate up; pre--ejaculation |
| What is the third phase of human sexual response? | Orgasm |
| What happens during orgasm? | Peak in muscle contractions; Peak in heart rate; peak in breathing rate and blood pressure; peak in endorphins; ejaculation |
| What is the fourth phase of human sexual response? | Resolution |
| What happens during the 4th phase of sexual response | organs return to original state |
| Who was Helen Singer Kaplan? | She was a scientist that pioneered a sex therapy; Proposed te ideas of a three stage model of sexual response: Desire, Exciement, Orgasm |
| Where are the sperm deposited? | Vagina |
| After the Vagina where does the sperm go? | The Uterus and then the fertilization occurs in the oviducts |
| What is in the sperm's head? | DNA |
| What is in the sperm's mid piece? | mitochondria |
| What is the tail of the sperm contain? | Flagellum |
| How many sperm can enter an egg? | 1 |
| How does the egg prevent more than one sperm from coming in? | By altering charge after one sperm has entered |
| What is the term for a combined egg and sperm? | zygote |
| What is a morola? | a solid ball of about 50 developing cells |
| At what day does the blastocyst form? | day 6 |
| How many days after fertilization does implantation occur? | 7-8 |
| Where does implantation occur? | upper uterus |
| What are the tiny projections that allow the mother and the embryo to exchange gases, nutrients and wastes? | chorionic villi |
| What does the chronic Villi turn into? | Placenta |
| What does HCG do and stand for? | Human Chorionic Gonadotropin; it maintains the corpus luteum |
| What is Gastrulation? | The sorting of the blastocyst into different layers |
| What are the different layers of Gastulation called? | ECtoderm, mesoderm, and endoderm |
| What is the Umbilical Cords function? | connecting embryo to placentia |
| What is the function of the amniotic sac? | Absorbing shock and regulating temperature. |
| What happens in the first trimester? | all body systems form; the embryo is called a fetus |
| Second trimester, What happens? | Development limited to body growth; heartbeat detected; hair surrounds the body; eyelids and eyelashes form; sucking of the thumb |
| What happens in the third trimester? | Mass of fetus triples; baby kicks and stretches; eyes open; the fetus rolls head down |
| What do at home Pregnancy tests test for? | HCG in Urine of mother |
| What are the three stages of labor (in order please) | Dilation Stage, Expulsion Stage, Placental Stage |
| What happens in the dilation stage? | REgular contractions of Uterus to dilate the cervix up to 10 cm. to allow passage of the baby; water breaks |
| What happens in the expulsion stage? | The uterine contractions push the baby through the cervix. |
| What happens in the Placental Stage? | The Placenta is expelled |
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