In terms of its tissue classification, blood is classified as a _1__ because it has living blood cells, called _2__
suspended in a nonliving fluid matric called __3_. The
"fibers" of blood only become visible during _4_-
If a blood sample is centrifuged, the heavier blood cells
become packed at the bottom of the tube. Most of this
compacted cell mass is composed of _5_and the volume
of blood accounted for by these cells is referred to as the
6__. The less dense_7__ rises to the top and
constitutes about 55% of the blood volume. The so-called
"buffy coat" composed of_8__ and __9__ is found at the
function between the other two blood elements. The buffy
coat accounts for less than__10_% of blood volume.
11
Blood is scarlet red in color when it is loaded with
Otherwise, it tends to be dark red.