Answer:
Embryology is the study of a embryo which is a fertilized egg attached to the wall of the mothers uterus by umbilical cord.
American - inch foot yard mile (imperial)
UnitedKingdom- cm mm km (metric)
Hope this answers the question well enough
Answer:
because it cools you off when its too warm and overall gives a sense of calm
C. So it can travel from one part to another