Lesson 15.4 Crossword


1.a clear fluid in which the embryo, and then the fetus, is suspended
3.the cord that connects the fetus to the placenta
7.a developing human from eight weeks after conception to birth
8.the developing human from the time of implantation to the end of the eighth week after conception
9.the last stage of birth in which the placenta detaches from the uterine wall and is expelled
10.a hormone that stimulates uterine contractions during labor and milk secretion during breastfeeding
11.the stage of labor during which the opening of the cervix dilates, or widens
12.the stage of labor that starts at full dilation and ends when the baby is delivered


2.the binding of the blastocyst to the endometrium
4.a fluid-filled cavity
5.secretion of milk by the mammary glands
6.a hormone that stimulates the secretory cells of the mammary glands to produce milk

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