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The hemoglobin molecules in RBCs consist
of a protein called -globin-, composed of four polypeptide chains,
plus four groups called -hemes- (Figure 14.3b). Each heme group
is bound to one polypeptide chain and contains an iron ion that
can combine with one oxygen molecule. The hemes bind the
oxygen molecules picked up in the lungs and transport them in
the blood. The hemes release oxygen, which difuses into the in-
terstitial fluid and then into cells. Because RBCs lack mitochon-
dria, they generate ATP anaerobically (without using oxygen)
and do not consume any of the oxygen they transport.

Copyright 2001 by Biological Sciences Textbooks, Inc. and Sandra Reynolds Grabowski

<color> A woman<color> of<color> dark beauty<color> spins and dances wildly before you<color>.<color> She has long unbounded
hair<color> which<color> ripples<color> off her ebony skin like a shadowy waterfall with each joyful movement.
A fluttering cloth shrouds her body<color>,<color> but as<color> her dance slows<color>,<color> you<color> see it is not spun of
any fabric<color> but that of the night sky, stars<color> twinkling<color> in it<color> like tiny<color> gems.

<color> The dance slows almost to a halt as<color> the woman returns<color> your gaze.<color> The mantle of<color> stars
rests on<color> her shoulders,<color> falling away<color> from her bare body.<color> Her figure<color> is<color> slim at the waist,
but full-breasted.<color> She holds the edge<color> of the mantle<color> with a<color> pair<color> of hands<color>..<color>. but<color> only now
do you see<color> that a second pair of arms<color> spring<color> from<color> her torso! In one hand<color> she competently
wields a wicked<color> looking sword, and in the<color> other<color> she holds<color> a severed head.

<color> Almost as surprising<color> is the only other obvious adornment she seems to wear<color>,<color> which is a
girdle of severed human<color> heads, fifty in all, beneath which hangs a skirt of dismembered
arms<color>.

<color> She<color> smiles benignly at you<color>, but<color> just as her appearance is beautiful and<color> disturbingly
macabre, so is her smile. Her full<color> lips part to reveal shining white<color> teeth, the tips of
which<color> have all been filed sharp. She runs her ruby<color> red<color> tongue slowly across her lips, as
if licking<color> them clean of blood...

Pedal is tall and thin like your average elf
Her hair is pitch black as the darkest of night
and her eyes are equally dark. Her lips are
painted black and her clothing is all black
as well. Around her neck is a black silk ribbon
tied like a choker and at the middle of the ribbon
a small charm.
It is a blood-red stone shaped like a perfectly
smooth droplet. Inside the stone is a tiny black
rose petal.