: organic conduits
carrying blood to the heart and organs.
: tissue that connects and supports.
Smooth muscle tissue
: smooth muscle.
: cellular tissue covering the wall of an artery.
: cell of the endothelium.
: tissue that prevents the blood from flowing backwards.
White blood cell
: free-floating blood cell that plays an important
role in the immune system.
Red blood cell
: free-floating blood cell that carries nutriments
to the organs.
: small blood vessel that connects arteries to veins
and allows exchange with the cells.
: blood vessel that carries blood from the organs to the
: blood vessel that carries blood from the heart to the
EN : Tongue
FR : Langue
ES : Lengua
Since the tongue contains no bony supports
for the muscles, the tongue is an example of a muscular hydrostat, similar
in concept to an octopus arm. Instead of bony attachments, the extrinsic
muscles of the tongue anchor the tongue firmly to surrounding bones and
prevent the mythical possibility of 'swallowing' the tongue.