a) Give two types of germ layer and what do they become (b)Briefly describe why it is important the blood supply of the mother is separated from the foetus

Q: List the four primary tissue types of the adult body and identify which of the three primary germ…

A: A tissue is defined as a group of cells which are having a similar structure and are organized to…

Q: What is an ovule?

A: The group of autotrophic organisms that have eukaryotic cells composing of cell walls is known as…

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: Which structures develop from the neural tube and somites?

A: the structures that  develop from the neural tube and somites are :

Q: What is the main stimulus for the secretory phase of the endometrium?

A: Endometrium is the inner lining of uterus made of columnar epithelial cells. Its part of female…

Q: What finding will be common to a person whose Leydig cells have been destroyed and to a person whose…

A: Leydig cells and Sertoli cells are specialized cells found in the testes and responsible for some…

Q: What is internal fertilisastion?

A: Fertilization is the process by which male and female gametes are fused together, initiating the…

Q: What happens if the fallopian tubes are partially blocked and the ovulated eggs are prevented from…

A: The fallopian tubes are two thin tubes located on each side of the uterus. It is the site of…

Q: What is the histological difference between a morula and a blastocyst?

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

Q: What is an ectopic pregnancy?

A: Ectopic pregnancies exist in around one out of every 50 conceptions, as per the statistics of the…

Q: Which two features of the fetal circulation system allows the blood to bypass the lungs?

A: The fetal blood and cardiovascular system are adapted to the intrauterine environment. The amount of…

Q: What impact does the growth of the uterus during pregnancy have on other organs of the abdomen?

A: During pregnancy, the uterus grows slowly as the fetus grows and develops. The upper part of the…

Q: Which structure provides for exchange of materials between mother and fetus?

A: The female reproductive system is defined as a system composed of the internal and external sex…

Q: What causes the newborn to take its first breath immediately after birth?

A: The amount of CO2 accumulated in the baby body caused acidosis

Q: How is a fetus usually positioned in the uterus as birth nears?

A: Answer: Introduction: The place of the baby in the uterus is known as the presentation of the fetus.…

Q: What is the vernix caseosa of the fetus? What purpose does it serve?

A: The unborn offspring developing from the zygote in an animal or human is called a fetus. The fetal…

Q: What route would oxygen in the mother’s blood follow to arrive at abody cell of the fetus?

A: In order to transport the oxygen to the fetus from the mother to the fetus the structure called…

Q: Which structure connects the embryo to the placenta?

A: Umbilical cord

Q: What is the major function of the Placenta?

A: The placenta is an organ that develops in uterus during pregnancy. The placenta is the interface…

Q: Name the structure that connects the placenta with the foetus.

A: Placenta is formed after implantation of the embryo has occurred on the uterine wall. It is the…

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: What is the first stage of labor in a pregnancy?

A: The first stage of labor and birth occurs when the regular contractions are felt. During the first…

Q: what is the purpose of calcium ion in fertilization?

A: * Fertilisation is an generative fertilisation fusion of gametes gives rise to a new individual…

Q: What is the physiological benefit of incorporatingshunts into the fetal circulatory system?

A: The fetus during pregnancy is dependent upon the mother for its nutrition. The circulatory system…

Q: What happens during the secretory phase of the endometrium?

A: The uterine cycle represents the cyclic changes that occur inside the uterus of a female.

Q: what are the functions of the placenta

A: The question asks about the placental functions.

Q: What are the three germ layers formed during gastrulation?

A: Developmental Biology is the field of biology that studies the processes by which multicellular…

Q: What is this condition that results if the fertilized egg fails to descend down to the uterus?

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

Q: Which feature of the fetal circulation system allows the blood to bypass the liver?

A: The fetal blood and cardiovascular system are adapted to the intrauterine environment. The amount of…

Q: how long is birth?

A: Labor is split into three different phases. The first step of labor involves full dilation of the…

Q: Which of the following rows correctly identifies the source of placental formation?

A: During pregnancy, the placenta attaches the developing fetus to the uterine wall of the mother. It…

Q: Why is fetal Hb essential for the survival of placental animals?

A: Hemoglobin is an oxygen transport protein in mammals. It is made up of four sub-units. Adult…

Q: What is the technical term for the fertilized egg?

A: The process of fusion of gametes from male and female parents is called fertilization. The sperm is…

Q: Explain the origins of the blastocyst cavity and what purpose does it serve?

A: The blastocyst is formed just after 5 days of fertilization.  It is composed of inner cell mass…

Q: In the adult Primordial Germ Cell, How many artia are present at thid stage? Discuss.

A: By the fourth week of pregnancy, primordial germ cells are seen near the allantois of the embryonic…

Q: When does implantation of the blastocyst usually take place?

A: During fertilization, a sperm comes in contact with the zona pellucida layer of the ovum and induces…

Q: What would happen if a blastocyst implanted into the functional layer of the endometrium and a…

A: It is at the blastocyst stage of development that an embryo would normally move out of the fallopian…

Q: When during pregnancy is colostrum first produced and when it can be first excreted?

A: Colostrum, a nutrient-rich fluid produced by female mammals immediately after giving birth, is…

Q: What is external fertilisation?

A: Fertilization is the process by which male and female gametes are fused together, initiating the…

Q: What is the developmental fate of the inner cell mass of the blastocyst?

A: A diploid zygote is formed by the union of a haploid egg cell and a haploid sperm cell. The zygote…

Q: What is the name of the structure that connects the placenta with foetus?

A: Introduction :- During pregnancy, the placenta is an organ that develops in the uterus. This…

Q: what is amniocentesis?

A: Prenatal genetic tests are conducted before the birth to detect any genetic disorder. It helps to…

Q: what are the principal structures each germ layer gives rise to in the adult?

A: The zygote is a cell formed by the union sex cell of the male (sperm) and sex cell of the female…