Estrogen (a female sex hormone) levels continuously increase during a woman's menstrual cycle. Estrogen levels drop once menstruation occurs (the ovaries stop releasing estrogen).Is this an example of positive or negative feedback?

Q: Which of the following is a function of the reproductive system? (A) to produce all of the body's…

A: The reproductive system has mainly four functions. First one is to produce egg and sperm cells,…

Q: Which of the following correctly identifies the hormones that trigger ovulation and the hormone that…

A: Hormones are chemical substances produced by our body's endocrine system, which releases the…

Q: Hormonal birth control pills contain low doses of estrogen and progesterone.  Taking these pills…

A: FSH helps control the menstrual cycle and stimulates the growth of eggs in the ovaries.  LH triggers…

Q: Which hormone leads to the expulsionof milk from the breast, when baby sucks it?A. ProgesteroneB.…

A: The endocrine system is the collection of glands that is essential for the regulating the…

Q: Which of the following is an example of negative feedback?a. Uterine contractions increase as labor…

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Q: Milk production in the mammary glands is stimulated by a hormone from the pituitary gland…

A: Pituitary gland is a small pink coloured gland. Morphologically pituitary has three parts namely…

Q: Describe a positive feedback mechanism that contributes to ovarian cycling. If the ovulated oocyte…

A: Ovulation is the process of releass of ovum in female due to peak level of luteinizing hormone,…

Q: Describe TWO positive feedback loops that are part of parturition and/or lactation.  For each…

A: There are two mechanisms that operates in the body: Positive feedback and negative feedback.…

Q: The hormone that induces ovulation in women and promotes the ovarian secretion of progesterone is…

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: Positive feedback mechanism initiates the rhythmic contractions of labor. Determine the hormones…

A: Homeostasis is a condition in which the human body is maintained in a steady state by changing or…

Q: In some cases, positive feedback systems carry the mechanism for their own destruction without being…

A: The positive feedback mechanism is a rare mechanism than a negative mechanism, An example of…

Q: Which of the following is NOT a function of sustentacular cells? Absorb sloughed cytoplasm from…

A: The process of sperm formation and development (spermatogenesis) takes place in seminiferous tubules…

Q: The graph above shows the estrogen and progesterone levels of an individual during a menstrual cycle…

A: The menstrual cycle occurs in the uterus and the ovary as a part of making sexual reproduction…

Q: Discuss the role of the Follicle Stimulating Hormone in human biology/anatomy/physiology

A: FSH (follicle-stimulating hormone) secreted the pituitary gland, a small gland located underneath…

Q: How many negative feedback happen during parturition cycle (NOT uterine contraction cycle)? Exclud…

A: The answer to this question is based on the fact that what type of feedback mechanisms are exhibited…

Q: If there is a decrease in the amount of estrogen level during the menstrual cycle. What type of…

A: Whenever a substance decreases in response to a stimuli, it is called as NEGATIVE FEEDBACK MECHANISM

Q: Estrogen is a female hormone that helps develop and maintain the reproductive system. Estrogen is…

A: Rough Endoplasmic Reticulum Produces Estrogen

Q: Why does continued breastfeeding decrease the chance of pregnancy? (Hint: Think about the effect the…

A: Hormones are the organic substances that are produced in small amounts by specific glands, which are…

Q: During which phase of the ovarian cycle is the ovum traveling down the oviduct? Oa proliferation b.…

A: Ovarian cycle refers to the series of events happened in the ovary during which the follicles got…

Q: Scientists hypothesize that stress decreases both the production and release of progesterone.…

A: Ans: The emotional as well as physical tension leads to stress. It is the action of body to…

Q: What is the specific hormone that functions primarily during pregnancy? A) Estradiol  B) Estriol…

A: There are two hormones released by ovaries: estrogen and progesterone. Progesterone helps in the…

Q: why do you need to know the functions and relation of endocrine, nervous and reproductive system?

A: The functions and relation of endocrine, nervous and reproductive systems are one of the major areas…

Q: What is the period from the woman's ovulation to the start of menstruation called? a) The uterine…

A: There are two types of reproductive cycles in mammals. These are the Estrous cycle and the Menstrual…

Q: Placenta is the structure formed : by fusion of germ layers by foetus only by the union of foetal…

A: As alecithal egg is yolk less, so embryo from these egg develops in the mother's uterus. So a…

Q: Which of the following processes takes place simultaneously during the menstrual cycle? a) High LH…

A: Reproduction is the process by which an organism creates more of its own progeny.  It takes place in…

Q: Which of the following is NOT a function of sustentacular cells? O Maintain a blood-testis barrier…

A: A sustentacular cell is a type of cell that provides structural support. These cells are found in…

Q: The increased release of progesterone by the corpus luteum inhibits (decreases) the release of FSH…

A: Menstruation is defined as the process of vaginal bleeding that occurs every month right from the…

Q: If a fertile woman has sex, when during the menstrual cycle is she most likely to get pregnant? Day…

A: In the female reproductive system, the menstrual cycle is the regular natural change that occurs…

Q: How do the nervous, endocrine, and reproductive system perform their coordinated functions to…

A: Introduction:-  The nervous system maintains homeostasis by controlling and regulating the other…

Q: Progesterone has a negative feedback effect that turns off which hormone? O LH O estrogen O…

A: During the onset of puberty , many hormones are produced in the human body via hypothalamus and…

Q: Menopause is the end of the menstrual cycle in the woman, occurring normally at about 50. Which of…

A: The stoppage of menstrual cycle in females at a certain age that is 50 to 55 years results in…

Q: What does the combination pill for birth control contain? A. Estradiol and testosterone B.…

A: Combination or combined birth control pills contains both estradiol and progesterone

Q: inhibin is one hormone that acts as a negative feedback inhibiting sperm production. Which is the…

A: Inhibin is one hormone that acts as a negative feedback  inhibiting sperm production. The  hormones…

Q: Wite a summary on female reproductive system anatomy

A: Reproduction is the phenomenon in which new individuals are produced either sexually or asexually.…

Q: Which hormone causes the regrowth of the endometrial lining of the uterus? a. testosterone b.…

A: The endometrium is one of the stars of the female reproductive system, playing the important roles…

Q: What kind of negative feedback mechanism is place to ensure that sperm counts do t get excessively…

A: Puberty begins in boys at the age of 12 where many physical changes occur due to sudden changes…

Q: Write a brief description of the anatomy on female reproductive system?

A: The reproductive arrangement of a living being, otherwise called the genital framework, is the…

Q: Which of the following processes takes place simultaneously during the menstrual cycle? Early…

A: Introduction Menstrual cycle  The reproductive cycle in female primates is called menstrual cycle.…

Q: Which statement about human reproduction is false?(A) Fertilization occurs in the oviduct.(B)…

A: Oogenesis In oogenesis, diploid oogonium (2n) go through mitosis until one develops into a primary…

Q: Greek philosophers belived that:   a.) women's menstrual blood served as the factor that gives…

A: C answer is correct.

Q: Which of the following causes bleeding (menstruation) during the menstrual cycle? a) Reduced…

A: Menstruation is the shedding of the lining of the uterus (endometrium) in the form of bleeding.  The…

Q: A student argues that it is impossible for a woman to become pregnant during the flow phase of her…

A: Menstrual cycle is a cycle that lasts between 21 and 35 days .  The cycle lasts for about 45 years…

Q: Explain what the Reproductive system does for the body.

A: Answer: REPRODUCTIVE SYSTEM = It is the anatomical system in body which has genital organs involving…

Q: Which of the following physiological responses is an example of positive feedback? The body's…

A: Homeostasis means maintaining a stable environment to carry out the physiological processes inside…

Q: Which is an example of negative feedback?     lowering of blood glucose after a meal     blood…

A: HOMEOSTASIS- It is the mechanism of the body in which the body maintains its own temperature to…