Complete Solutions
______________ acid is necessary for proper development of
the _____________ tube. Correct Answers folic, neural
_________________ and ________________ are the hormones
that maintain the uterine lining and prepare mammary glands.
Correct Answers estrogen, progesterone
_________________ stimulates labor and
___________________. It runs on a positive feedback loop.
Correct Answers oxytocin, contraction
__________________ are formed in the 3rd week and are
temporary embryonic structures. Correct Answers somites
___________________ is the formation of organs and organ
systems. Correct Answers organogenesis
A morula is a clump of cells that implants in the
_________________. This will form into a _______________.
Correct Answers uterus, blastocyte
After the 5th-8th week, it is called a __________________.
Correct Answers fetus
Amphimixis is the fusion of a _____________ and an
____________ to form a _______________. Correct Answers
sperm, ovum, zygote
, An umbilical artery brings blood away from the fetal heart
because _________________ comes from the placenta. Correct
Answers oxygen
Chorionic villi are blood vessels that connect to the embryonic
heart through the __________________ cord. They will
eventually develop into the __________________ system.
Correct Answers umbilical, cardivascular
Development is the modification of ________________
features. Correct Answers physical
Differentiation is the creation of different ____________.
Correct Answers cells
Dizygotic means ______________ twins. They come from 2
_______________ and separate _____________. Correct
Answers fraternal, oocytes, sperm
During implantation, the blastocyte implants into the
_________________, a modified portion of the endothelium.
Correct Answers decidua
During implantation, the endometrium becomes highly
_______________. Correct Answers vascularized
During pregnancy, mothers can experience ____________ and
lower back pain due to a change in their center of gravity.
Correct Answers lordosis