Hi WHAT IS IT? A series of changes in the endometrium & can be divided into 3 phases: Menstrual and development of Graafian follicle (days 1-5) Building phase (days 6-14) Luteal and secretory phase (days 15-28) PHASE 1 The breakdown & shedding of the endometrium occurs as there is no progesterone to maintain the endometrium. […]
Hi Labour includes the expulsion of the baby as well as the release of the afterbirth (placenta). One option is a CESAREAN SECTION it is in a surgical procedure where incisions are made through a woman’s abdomen and uterus to deliver her baby. WHEN DOES DELIVERY OCCUR? 280 days after her last menstruation 38 weeks […]
Hi Changed my mind, decided to try and upload a few more posts and hopefully some activities too. IMPLANTATION As the zygote moves down the oviduct, it divides by 2 by mitosis and each cell divides again. Soon there is a solid ball of cells. On about the 5th day it enters the uterus and […]
Hi Not sure yet but I am hoping that this is my last post for the night. Within the menstruation cycle there is 2 cycles- the uterine cycle and the ovarian cycle. During the first week of the cycle the pituitary gland is stimulated and FSH is released . It travels through the blood until […]
Hi Diploid germinal epithelial cells divide mitotically and give rise to diploid oogonia From puberty oogonia grow and develop into primary diploid oocyte Primary oocytes unddergo meiosis and turn into haploid secondary oocytes and the polar body is formed In the end- there are 3 polar bodies and 1 haploid ovum
Hi Excuse the terrible drawings, I had to draw them as I couldn’t find the pictures that I wanted. SPERM CELL GROWTH: There is a golgi apparatus, acrosomal vesicle as well as a spermatid nucleus The centrioles appear Microtubules and flagellum appear Excess cytoplasm disappears There is now a complete sperm cell with midpiece, head […]
Hi This is the follow-up that I promised yesterday on the male reproductive system- this will include the structure and the functions of the parts. THE STRUCTURE OF THE MALE REPRODUCTIVE SYSTEM The primary sex organ is the testes. It produces sperm and testosterone The 3 additional glands are: Seminal vesicles. They provide fructose which […]
Hi Quick post about these two STDs- this will most probably just be a short question or a multiple-choice question CAUSES: Syphilis- spiral-shaped bacterium called treponema pallidum Gonorrhea- round bacteria called neisseria gonorrhoeae SYMPTOMS: Syphillis- small sores, skin rash, lip sores, pelvic lymph nodes are swollen Gonorrhea- pain during urination and thick greenish discharge as […]
Hi This section is sooo long and so I cannot put it in one post unfortunately. DEFINITIONS: Urethra: Conducts sperm Penis: Sex organ for copulation Epididymis: Stores and matures sperm Vas deferens: Sperm ducts (transports) Seminal vesicles, prostate gland, Cowper’s gland: Contributes fluid to semen Fallopian tubes: Conduct eggs and are the location of fertilisation […]
Hi DEFINITIONS: Population demographics: The stats of a population such as the size, the density, growth rate and age distribution Population pyramids: Bar graph that shows the composition by age & sex of a nation’s population at the time of a census. It is a convenient way of showing how the population is made up […]
Oh Gosh My Grades 