For example, if you install R-19 fiberglass batts in 2x6 frame walls, with the studs 16 inches on-center, double top-plates, and other elements of standard framing, the actual R-value of the whole wall with the R-19 insulation will be about R-15.
birthplace - the place where someone was born. place of birth. place, spot, topographic point - a point located with respect to surface features of some region; this is a nice place for a picnic; a bright spot on a planet. place of origin, provenance, provenience, cradle.
The placenta is a unique organ of pregnancy that nourishes your baby. Typically, it attaches to the top or side of the uterus. The baby is attached to the placenta via the umbilical cord. After your baby is delivered, the placenta follows. This is the case in most births. But there are some exceptions.