Q: What hormones do the Ovaries secrete?
A: The ovaries are the primary reproductive organs in the female reproductive systems. The ovaries are…
Q: At what time in the menstrual cycle is the level of thefollowing hormones high, and what is the…
A: The mensural cycle refers to sequential changes that occur within the female reproductive system by…
Q: If human fetus were exposed to very low levels of both testosterone and estrogen during prenatal…
A: People with both male and female anatomy and mixed characteristics are called as intersexes. The…
Q: If a genetic female is exposed to extra testosterone during prenatal development, what behavioral…
A: Usually, androgens, like the hormone testosterone, cause reproductive organ defects in females.…
Q: What is the function of Estrogen?
A: Hormones are chemical substances that help to control and maintain body growth and activity.…
Q: Why does the body temperature increase during the second half of the menstrual cycle?
A: In the female reproductive system, the menstrual cycle is the regular natural change that occurs…
Q: How do hormones regulate sperm production?
A: The basic fundamental difference between males and females is the reproductive system and its…
Q: How do teratogens cause birth defects?
A: Teratogens are those substances or agents that cause harmful mutations or deformations in the genome…
Q: How is sex determined in human beings?
A: In all the living organisms, the genetic material is organized into a specific structure known as a…
Q: Explain why BPH occurs in older males.
A: Benign prostatic hyperplasia (BPH) is commonly known as prostrate enlargement. It is commonly…
Q: What are the effects of continuing oral contraceptives even if a woman is pregnant?
A: Oral contraceptives (anti-conception medication pills) are utilized to forestall pregnancy. Estrogen…
Q: Explain the effects of aging on reproductive function in males?
A: The male gamete "sperm" fuses with the female gamete "Ovum" and after this fusion "Zygote" develops.
Q: How is the onset of puberty related to the endocrine system?
A: Puberty is the time in life when a boy or girl becomes sexually mature. It is a process that happens…
Q: How will the feedback mechanism in the menstrual cycle responds if there is a high level of…
A: Introduction: Menstrual cycle is the monthly cycle of changes in the ovaries and lining of the…
Q: Which hormones contribute to lactation? What is the function of each?
A: Hormones are chemical substances secreted by the endocrine glands. They travel through the…
Q: Explain Follicle Growth?
A: Introduction The life starts from single cell called Zygote. A zygote is formed by the fusion of…
Q: Explain Puberty in females?
A: Answer- Puberty is the age of any individual which marks as transition phase from being a child to…
Q: Why do anabolic steroids lead to reduced sperm counts?
A: A steroid is an organically dynamic natural compound with four rings orchestrated in a particular…
Q: How do levels of hormone vary in the different phases of the menstrual cycle? Explain each hormone.
A: The female reproductive system comprises the uterus, ovary, fallopian tube, vagina, vulva. This…
Q: What is parturition?
A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…
Q: What is the effect oestrogens on the ovaries?
A: Ovaries are referred to as the female reproductive structure responsible for producing female sexual…
Q: What is attainment of sexual maturity known as?
A: Every living cell has the capacity to differentiate and divide in order to grow into different…
Q: what is the role of oestrogen and progesterone in the female life cycle?
A: Oestrogen and progesterone are primarily steroids and these are the hormones secreted in females for…
Q: Why sperms are produced in large numbers?
A: Sperm is the male reproductive cell, or gamete, which contains haploid number of chromosomes and…
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: When do sex hormones first exhibit an effect on sexual development?
A: Sexual development refers to the changes that occur in the body as we progress from puberty through…
Q: If an adult male were castrated (testes were removed), what wouldhappen to the levels of GnRH, FSH,…
A: Gonadotropin-releasing hormone causes the pituitary gland in the brain to make and secrete the…
Q: At the start of the follicular phase, levels of estrogen allow FSH levels to O low, decrease high,…
A: Hormones are the chemical molecules which acts as a chemical messenger for different body tissues…
Q: Why is it some important for testicles to be outside the abdominal cavity and in the scrotum?
A: The testes are male sex glands having both an endocrine and exocrine function. The testes are…
Q: What are the physical changes associated with menopausal decreases in estrogen level?
A: Introduction Menopause is the stage at which the female is no longer said to be fertile. As we know…
Q: What hormone do the sustentacular cells secrete in the male embryo, and how does this affect…
A: Hormones are the signalling molecules that are synthesized by glands and are transported to the…
Q: How many follicles mature every month during the reproductive phase of human female?
A: The reproductive phase is a period when an individual reproduces sexually. It begins at an early…
Q: Why is it important to study or learn about the menstrual cycle?
A: INTRODUCTION:- The menstrual cycle is a series of natural changes in hormone production and a…
Q: What are the steps for the menstrual cycle? Beginning with the Hypothalamus.
A: Menstruation is the eimination of the thickened lining of the uterus from the body through the…
Q: A girl attains her puberty at the age of 11 years and a boy at 13 years but, still they are asked to…
A: Adolescence is the "transitional stage" before becoming an adult. Adolescence is not an easily…
Q: Define totipotency?
A: Thomas Hunt Morgan is a scientist from Pennsylvania (Bryn Maer College) first coined the term…
Q: What is the correct sequence of the stages of the male sex act? 1. Ejaculation 2. Emission 3.…
A: Question is related to male reproductive system Solution given below
Q: Name the hormone that needs to spike in order to signal ovulation. A. Follicle Stimulating hormone…
A: Reproduction is the vital life process that enables an organism to carry forward its generation.…
Q: In hormonal terms whydoes menses occur?
A: Menstruation is the periodic shedding of the inner lining of a woman's uterus through the vagina.…
Q: Luteinizing hormone and follicle stimulating hormone are associated with female gamete development…
A: Gonadotropins These are peptide hormones. These hormones include luteinizing hormone (LH) and…
Q: What are the actions of testosterone prior to birth, during puberty, and throughout life?
A: Testosterone is the male sex hormone. It is a steroid hormone and is responsible for the development…
Q: What causes lower sperm count in males?
A: Sperm is also called as spermatozoon. It is a male reproductive cell or gamete. Animals produce…
Why does the body show sexual maturation at the age of puberty?
Step by step
Solved in 2 steps
- If human fetus were exposed to very low levels of both testosterone and estrogen during prenatal development, how would the sexual anatomy appear? Why?Why does menstruation occurs?What are the organizing effects of sex hormones? Compare the negative feedback loops in the male reproductive system with those of the female’s reproductive cycle. Describe an example of positive feedback involving estrogen that leads to ovulation. What are the hormonal changes during the luteal phase of the menstrual cycle?
- Why does the body temperature increase during the second half of the menstrual cycle?Normally deterioration of the endometrium begins when: blood levels of FSH increase blood levels of estrogen and progesterone decrease blood levels of estrogen and progesterone increase the corpus luteum secretes estrogen18-year-old Gabrielle checks her calendar. It has been 42 days since her last menstrual period, two weeks later than the length of the average woman’s menstrual cycle. Although many women would suspect pregnancy if their period was late, Gabrielle has not been sexually active. She is not even sure she is “late” because her period has never been regular. Ever since her first period at 13 years of age, her cycle lengths have varied greatly, and there are months where she does not get a period at all. Her mother told her that a girl’s period is often irregular when it first starts, but Gabrielle’s still has not become regular five years later. She decides to go to the student health center on her college campus to get it checked out. The doctor asks her about the timing of her menstrual periods and performs a pelvic exam. She also notices that Gabrielle is overweight, has acne, and excess facial hair. As she explains to Gabrielle, while these physical characteristics can be perfectly…
- 18-year-old Gabrielle checks her calendar. It has been 42 days since her last menstrual period, two weeks later than the length of the average woman’s menstrual cycle. Although many women would suspect pregnancy if their period was late, Gabrielle has not been sexually active. She is not even sure she is “late” because her period has never been regular. Ever since her first period at 13 years of age, her cycle lengths have varied greatly, and there are months where she does not get a period at all. Her mother told her that a girl’s period is often irregular when it first starts, but Gabrielle’s still has not become regular five years later. She decides to go to the student health center on her college campus to get it checked out. The doctor asks her about the timing of her menstrual periods and performs a pelvic exam. She also notices that Gabrielle is overweight, has acne, and excess facial hair. As she explains to Gabrielle, while these physical characteristics can be perfectly…Explain Puberty in females?What two phases of a person's life do testosterone determine "male" development? Consider both gonadal and brain development, as outlined in the slides, as well as secondary sex characteristics. What does this imply about gender identity later in life?