the nucleus and Describe the anatomy & physiology of sperm and the parts of a sperm. The head contains three structures: a acrosome Cell membrane The most important of those is the is a lysosome that contains acrosome because it contains The that are later used to

Which of the following is an example of how sperm are equipped to survive outside of the male body? O The acrosomal enzyme in the head of the sperm protect the sperm from the female immune lysosomes. O Semen is alkaline which neutralizes the acidity of the vagina The bulbourethral gland produces fructose to nourish sperm O They do not have mitochondria, so they are not dependent upon aerobic respiration.

Vertebrate Fertilized Class Blastula or Blastocyst Late Morula Gastrula Egg Embryo Amphibian Reptile Mammal How long after ovulation does it take an embryo to develop? The resulting embryo may become the (attached) in the lining of After eight weeks of development the embryo is called the How long does it takes the fetus to develop and grow inside the mother? What is differentiation? The embryo continues dividing and form all the tissues organs and organ systems of the animal When should pregnant mother take most precaution?

Modeling the Menstrual Cycle: The menstrual cycle takes an average of 28 days to complete and repeat. There are 4 phases: Day 1-5 Menstruation (period) Day 6-14 proliferation Day 11-13 Ovulation Day 15-28 Secretory phase Task: Create and annotate a model to show what is happening in the female body during the 4 phases of the menstrual cycle. This can be done digitally or on paper. If you chose to do this on paper, just make sure it gets to Ms. B. Things to include: Arrange the phases into a cycle Include changes in hormone levels in each phase (PSH, LH, Estrogen, Progesterone) Changes in the uterine lining What is happening to the egg (follicular, ovulation, luteal phase) It might help to start with arranging the phases into a cycle and then fill in details about what is happening at each phase. Use the slideshow on this website as a resource, it's very informative Menstruation Secretory Phase Proliferative Phase Ovulation

Sperm motility is one of the features of any fertility test. The movement of human sperm is possible because of the presence of cilia acrosome flagellum actin tubule pseudopodia

Which of the following structures is incorrectly paired with its function? oviduct—site of normal embryonic implantation seminal vesicles—add sugar and mucus to semen placenta—maternal and fetal exchange organ prostate gland—adds alkaline substances to semen epididymis—maturation and storage of sperm

what a sex cell called