Which of the following causes the bleeding (menstruation) during the menstrual cycle? Reduced release of oxytocin which causes the uterine muscles to relax Increased release of estrogen (estradiol) from the ovaries that simulates the uterine muscles to contract Reduced release of progesterone from the ovaries Increased release of progesterone leading to blood clots

Q: Spermatogenesis usually occurs during the ___________ and continues in the _________ stage in some…

A: * spermatogenis is the process of formation of sperm from germ cells in semniferous tubules of…

Q: Which of the following statements about hormone regulation of the female reproductive cycle is…

A: The endocrinological control in females is very complex. The anterior pituitary releases the…

Q: The hormone, Answer ( LH, FSH, GnRH, estrogen, Progesterone) stimulates the development of a…

A: The menstrual cycle is a complex process that is driven by hormones produced from various glands 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 Menstrual Cycle Place the events in the menstrual cycle in order starting with menstruation. 1 |…

A: Introduction :- Menstrual cycle is defined as the cycle of natural changes that occur in the female…

Q: Which of the following is NOT TRUE? A) Menopause is marked by elevated levels of gonadotropins. B) A…

A: Menstruation: Menstruation is the periodic or cyclic discharge from the uterus through the vagina of…

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: Spermatogenesis is cyclic and exhibits spermatogenic wave inside the seminiferous tubules. Which of…

A: Spermatogenesis:Spermatogenesis is the development of haploid spermatozoa from germ cells in the…

Q: Using the following hormone choices, which of the following puts the hormones of the female…

A: The main aim of menstrual cyle is to secrete ova for fertilization. The four phases of the menstrual…

Q: Which of the following statements is NOT true concerning the hormonal control over the male…

A: The male and female reproductive cycles are controlled by hormones released from the hypothalamus,…

Q: At the end of the uterine cycle, there is a significant drop in the level of LH, estrogen, and…

A:

Q: Explain in a 5-sentenced paragraph how hormones such as FSH,LH,estrogen and progesterone affect one…

A: The menstrual cycle includes the rhythmic sequence of changes that occur in the reproductive organs…

Q: menstrual cycle.

A: Red- 26th to 30th November uterus sheds its inner lining of soft tissue and blood vessels. Blue-…

Q: The male gonads, or ___________ produce sperm in highly coiled tubes called _ _____. The female…

A: Humans are sexually reproducing and viviparous. The reproductive events in humans include formation…

Q: Which of the following statements does NOT correctly describe the role of inhibin in the male…

A: Introduction :- The biological system made up of all the anatomical organs involved in sexual…

Q: difference between menarche and the menstrual cycle.

A: Female reproductive system consists of uterus, ovary, fallopian tube, vagina, vulva. This system has…

Q: Marianna nursing student has her last menstrual period (LMP) on November 23. 2020. Past menstrual…

A: Normal menstrual cycle has interval between 24-38  days.

Q: Which of the following statements correctly describes the development of the endometrium during the…

A: Fertilization is the process of fusion of male and female gametes that leads to the formation of a…

Q: Bleeding occurs when there is no fertilization. Low levels of both ________ and ________ make the…

A: Reproduction is defined as the ability of an organism to give birth to a young ones. In humans male…

Q: How do follicles influence FSH and LH levels at the end of the follicular phase, right before…

A: The ovarian cycle is a series of events that are mainly occuring in the ovaries during and after thr…

Q: The hormones FSH and LH are more active during the first half of the menstrual cycle. Based on the…

A: Menstrual cycle is a series of natural changes in the uterus and ovaries of the female reproductive…

Q: A- BC C- D

A: Reproductive system and urinary system are connected in such a way in these both system use common…

Q: Right before the ovulation, the maturate follicle secretes high levels of estrogen which switches…

A: Estrogen, is a category of sex hormone responsible for the development and regulation of the female…

Q: Which of the following is most likely to occur as an immediate result of an injection of estradiol…

A: The estradiol is a form of estrogen that is the female reproductive hormone. It is responsible for…

Q: Which of the following layers of the uterus undergoes the greatest change during the menstrual…

A: The endometrium is the deepest layer of the uterus. The actual endometrium comprises of a basal…

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: Calcitonin is responsible for... increasing blood calcium levels decreasing blood calcium levels…

A: Introduction: Hormone is an organic molecule generated by plants and animals that regulates…

Q: Using the following hormone choices, which of the following puts the hormones of the female…

A: Answer- In the menstrual cycle, there are three phases that are follicular, ovulatory and luteal…

Q: The hormone, LH • suddenly increases around Day 12 of the menstrual cycle in response to the…

A: Menstrual cycle is women's uterus cycle that grows and sheds the endometrium that leads the…

Q: Fill in the blanks: (a)The process of release of ovum from a mature follicle is…

A: Sexual reproduction is a common phenomenon in mammals. In most mammals including humans, the haploid…

Q: Why does the estrogen released at the follicular phase inhibit FSH levels by a negative feedback…

A: FSH and LH are gonadotropin hormones which are secreted from the anterior pituitary. They play major…

Q: Menstrual Cycle Generally lasts for 28 days. The shortest cycle lasts for 18 days and the longest…

A:

Q: Female Reproductive System Menstruation is triggered by: a decrease of estrogen and progesterone a…

A: The female primates shows a characteristics reproductive cycle that is known as menstrual cycle that…

Q: When does ovulation occur? 14th day after menstruation on the 14th day counting from the first day…

A: In a normal 28-day monthly cycle, ovulation commonly happens around 14 days before the beginning of…

Q: Hypogonadism is a condition where the body does not produce enough testosterone. The symptoms of…

A: Testosterone - It is the primary sex hormone produced by testicles in men. It plays a major role in…

Q: days 1 to 5 of the menstru

A: The mensuration cycle is divided in to four phases 1. Mensuration phase 2. Follicular phase 3.…

Q: In females the shedding of the uterine lining (a menstrual period) is stimulated by _________.…

A: Menstruation in females is a cyclic process that occurs every month. It lasts for about 3-5 days. It…

Q: or F: The glans penis and the clitoris are always covered by a prepuce. The ovaries and the uterus…

A: Note: We are authorized to answer three questions at a time since you have not mentioned which…

Q: Modeling the Menstrual Cycle: The menstrual cycle takes an average of 28 days to complete and…

A: The menstrual cycle in female happen by the shedding of the uterine layer every month, it is a…

Q: in developing and maintaining the female reproductive organs and secondary sexual characteristics…

A: Generally the female reproductive system encompasses  the ovarian and uterine cycles;along with it…

Q: What causes the Wolffian duct to develop into male reproductive structures? This will happen in the…

A: Introduction: The Wolffian tube is also known as mesonephric duct, Leydig's duct and nephric duct…

Q: Which of the following signals the end of the reproductive period in females? menopause O…

A: Menopause

Q: Conditions that cause the fallopian tubes to be narrower than normal may result in:  Implantation of…

A: Fallopian tubes are basically the female reproductive organs that associate the ovaries and the…

Q: Which of the following dates she could get pregnant? August 17 August 24 September 2 August 28

A: The calendar method or rhythm method is a natural way of family planning. To use the rhythm method,…

Q: Which of the following hormones demonstrates more than one marked peak during the female…

A: Menstrual cycle is the cycle in which uterus grows and shed a lining  called endometrium.It occurs…