18. Assignment
In preparation for our next topic, answer the
following questions:
•What are the different stages of a developing
embryo?
•Give two diseases of the reproductive system,
and give a brief description of each.
20. Menstruation
•Start bet. 11 and 15
•Monthly shedding of blood
•Lining of uterus (endometrium)
•Thickens for carriage
•Pregnancy doesn’t happen
•21 – 35 days per cycle