Q1. Some of the substances not normally found in great quantities in urine would be ______, ______, ______ and ______.
Q2. Whenever the sperm cell unites with the egg cell this is termed as______. Generally, this takes place in the ______. After four or five days, the developing zygote reaches the uterus, where it burrows to the wall of the uterus, in a process termed as ______.
Q3. Cell division devoid of growth is termed as ______. The developing phase of the fertilized egg till it is nine weeks old is termed as the ______. After nine weeks, the embryo is termed as a ______. The hormone ______ is generally tested for in pregnancy tests, and helps to maintain the corpus luteum. This keeps the level of ______ high throughout the pregnancy. The connection between the mother and the developing embryo is a tissue termed as the ______.
Q4. Childbirth is as well termed as the ______. The key phases of labor are termed as ______, ______ and ______.