Placenta is the structure formed: A. by the union of foetal and uterine tissue B. by foetus only C. by fusion of germ layers D. None of these

Q: Pathway of sperm from the testis is (A) ejaculatory duct, epididymis, urethra (B) Urethra,…

A: Sperms are the haploid sex cells of male human reproductive system. Human male sperm has about 23…

Q: The narrowest part of the uterus is:- a. the fundus. b. the infundibulum. c. the body. d. the…

A: Answer is e.)  the cervix.

Q: Explain how the structure of the placenta prevents mixing of fetal and maternal blood while allowing…

A: -First to understand placenta .  Placenta -- It is composed of fetal part which includes the…

Q: Fill in the blank:  A portion of the uterus called the _______________________ extends downward into…

A: The reproductive system of an organism is also known as the genital system. It is the biological…

Q: Peaks of LH and FSH production occur during (A) the menstrual flow phase of the uterine cycle. (B)…

A: Hormones are the signalling molecules that are synthesized by glands and are transported to the…

Q: Where does sperm production occur within the testis? a. rete testis c. seminiferous tubules b. myoid…

A: Step 1 Testes (Spermaries; Singular – Testis) are a pair of primary sex organs of the human’s males…

Q: Name the process of shedding of placenta from the uterus of mother after the birth of a baby.

A: When a sperm fuses with the egg a zygote is formed. This zygote further divides to form an embryo.…

Q: Which of the following is a major difference between spermatogenesis and oogenesis? a.…

A: The reproductive arrangement of an organic entity, otherwise called the genital framework, is the…

Q: Contractions of the uterus during labor are stimulated by the hormonea. estrogen.b. prolactin.c.…

A: In humans, sexual reproduction results in the formation of zygote which attaches to the endometrium…

Q: In cryptorchidism, one or both testes of an infant have not descended into the scrotal sac by the…

A: Cryptorchidism is the absence of testes (one or both) from the scrotum. It is a common birth defect…

Q: Chorionic villi develop from:- a. the zona pellucida. b. the endometrium. c. the…

A: Chorionic Villi sprout from the chorion after their rapid proliferation in order to give a maximum…

Q: In a female human, the oogonium forms when the female is a _____________.

A: Singular word – oogonium, the plural word is oogonia. Oogonia is an immature female reproductive…

Q: Which of the following statements about oocytes and ovulation is correct? a. The production of…

A: Formation of ovum is known as ovulation

Q: Explain the function of the placenta.

A: The placenta is referred to as the organ that develops in the body within the mother's uterus at the…

Q: During the secretory phase of the menstrual cycle, endometrial glandssecretea. hormones that…

A: e.

Q: Distinguish the structures of the female reproductive system that (a) produce the egg, (b) transport…

A: Sexual reproduction is a type of reproduction in which organism under goes different cycles like…

Q: This structure connects the ovary with the uterus.a. cervix c. uterine tubeb. vagina d. endometrium

A: Animal physiology and human anatomy is the branch of science that deals with the form and function…

Q: Which of the following is not a phase of the ovarian cycle? a follicular b. secretory C. ovulation…

A: The ovary is the primary female sex organ, localized on the sides of the lower abdomen in human…

Q: Which of the following does not pertain to the apical germarium? A. contains the primary female germ…

A: The ovary is a female reproductive system organ that produces an ovum which travels down the…

Q: Sperm are produced in the ________. a. scrotum b. seminal vesicles c. seminiferous tubules d.…

A: Fertilization is the process of fusion of male and female gametes which results in the formation of…

Q: The onset of mensturation in the female is termed as?

A: The regular monthly discharge of mucosal tissue and blood is called menstruation. The mucosal tissue…

Q: In what part of the reproductive tract the following events take place? a) b) Ovulation Oogenesis c)…

A: The female reproductive system consists of a pair of ovaries along with a pair of oviduct, uterus,…

Q: What event occurs in the second stage of Labour? Answers A E A expulsion of fetal membrane B Relaxed…

A: Normal Labor:  Labor is series of events by which product of conception expelled out to outer world.…

Q: For the first 8 weeks of gestation, a conceptus is nourished mainly by a. The placenta. b. Amniotic…

A: A conceptus receives nutrition is totally depends on the state. The foetus stage receives nutrition…

Q: The myometrium is the muscular layer of the uterus, and the endometrium is the (a) serosa, (b)…

A: The uterus is the pear-shaped organ that belongs to the female reproductive system, and is located…

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: What could be the reason why a woman only gets her period after puberty begins? A) Before puberty,…

A: The lining of the uterus thickens and prepares an egg for fertilization. If the egg is not…

Q: Discuss the adaptations of a woman’s body to pregnancy?

A: Gestation or the pregnancy is the period during which offspring develop within a woman. In humans,…

Q: Which of the following statements about the male reproductive system is false? a. The vas deferens…

A: The male reproductive system consists of the reproductive organs that are present inside and outside…

Q: On the fifth day postpartum , the fundus is palpated at level of the umbilicus . This indicates…

A: The uterus is a dome-like structure, the upper part of the uterus is known as the fundus. Normally…

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: Despite the presence of So many sperms in the vicinity of an egg cell, only one sperm enters the…

A: Fertilization is a process in which male and female gametes fuse to form a zygote. This zygote…

Q: During oogenesis the cell that is fertilized by a sperm to become an egg is:    A primary…

A: Oogenesis is the process of 'oocyte development 'in females. The resulting cell is called gamete…

Q: What would happen if the placenta was not able to fulfill its endocrine function in a pregnant…

A: Introduction  An organ that grows in the uterus during pregnancy is the placenta. A developing…

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: Which of the following correctly describes the results of andropause? Select one: A. Lower sperm…

A: In Greek “Andras” means human male and “pause” means cessation, thus “andropause” is described as a…

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: Why are the testes located outside of the body of organisms?

A: Testes is located outside the abdominal cavity. Testes is present inside scrotum.

Q: Which of these has the largest amount of DNA?

A: Spermatogenesis is the formation of spermatid (n) from spermatogonia(2n).   Spermatogonia(2n) - 2…

Q: Write two major functions each of testis and ovary.

A: The reproductive system of an organism is also known as the genital system. It is the biological…

Q: According to biological theorists, what are the things that affect ejaculation ?

A: Ejaculation is the process of release of semen (containing sperm) from the penis. Sperm produced in…