Please I need a surely answer and a quicker response Choose the correct answer.What causes a menstrual cycle?O changes in hormonesO division of egg cellspresence of spermO absence of puberty

Name: Please I need a surely answer and a quicker response Choose the correc
Uploaded: 2024-03-20T06:42:55.000Z
Channel: Bartleby
Description: Please I need a surely answer and a quicker response Choose the correct answer.What causes a menstrual cycle?O changes in hormonesO division of egg cellspresence of spermO absence of puberty

Menstural cycle is a cycle of 28 days which occurs in human females.

Answered: Choose the correct answer. What causes…

Science

Biology

Choose the correct answer. What causes a menstrual cycle? changes in hormones

An Illustrated Guide To Vet Med Term

4th Edition

ISBN:9781305465763

Author:ROMICH

Publisher:ROMICH

Chapter18: Like Cats And Dogs

Section: Chapter Questions

Problem 17MC

See similar textbooks

Similar questions

The secretion of _____ controls the formation of sperm. a. testosterone b. LH c. FSH d. all of the above
Figure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.
How Is Sex Determined? The absence of a Y chromosome in an early embryo causes the: a. embryonic testis to become an ovary b. Wolffian duct system to develop c. Mllerian duct system to degenerate d. indifferent gonad to become an ovary e. indifferent gonad to become a testis
Fusion of pronuclei occurs during ________. spermatogenesis ovulation fertilization capacitation
Keeping in mind the hormonal controls over female reproductive cycles, please explain how hormonal birth control pills work to prevent pregnancy.
estion In polycystic ovarian syndrome, androgens can be produced in excess. What effects would this potentially have? C Menstrual irregularity Acne hirsutism (hair on face and abdomen) all of these MacBook Pro Search or type URL +
Relative Hormone Concentration 8 12 ♡ Days of Estrous Cycle The graph above shows the hormonal changes in the blood during the oestrous cycle in a ewe. The purple line represents Around day 2, the follicles in the ovary are . During this period, the lining of the uterus is in the The period around day 2 is called the
MARK MY CALENDAR! Color/mark the date/s in the calendar as described by the following events of 28- days menstrual cycle. The blood drop image indicates the first day of the cycle. RED- uterus sheds its inner lining of soft tissue and blood vessels BLUE-last day of the Follicular Phase GREEN- a mature egg cell is released from the ovary YELLOW- days of the Luteal Phase MARK X- most fertile days
secondary sex characteristics The gonadotropin-releasing hormone has ultimate control over the male reproductive system because it secretes hypothalamus. androgen cerebral cortex seminiferous tubules GNRH stimulates the follicle-stimulating to produce the two gonadotropic hormones. interstitial cells testosterone In males, hormone promotes spermatogenesis in the hormone controls the production follicle-stimulating and of testosterone by luteinizing estrogen The main sex hormone in men is called and is responsible for the maturation of sperm and the as height, broad shoulders, muscle development, and a deep voice. such gonadotropin-releasing hormone hypothalamus anterior pituitary
How many days is needed to complete one menstrual cycle? - 32 days - 25 days - 28 days - 30 days Please pick from one of the choices. Thank you.
MenopauseA. Indicates that there are no more follicles in the ovariesB. Is preceded by perimenopause which is characterized by irregular menstruationC. Is characterized by increased GnRH, FSH and LH due to absence of negative feedback from estrogenD. Is defined as the cessation of the monthly menstrual cycle by at least one yearE. All choices refer to menopause.
FSH (Follicle Stimulating Hormone) E2 (Estrogen/Estradiol) LH (Luteinizing Hormone) PG (Progesterone) OVULATION! PERIOD 14 28 Hormone changes in an average cycle Observe the diagram above. This graph represents the hormone levels during an average menstrual cycle. Answer the following questions. What does the y-axis represent? 2. What does the x-axis represent? (the unit is in days) 3. Notice that each hormone is represented by a specific color. Make a prediction based on observations from the diagram. Which hormone do you think triggers a period (shedding of the lining of the uterus)? Justify your answer. HORMONE LEVELS III