Treść książki
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PARTFOUR
softening
.
killing
.
sweating
.
releasing
.
located(2)
.
intensifies
.
protects
.
regulates
.
provides
.
excreting
.
preventing
.
conserving
.
pressure
.
regulate
.
react
.
secrete
.
evacuate
.
remove
Sebaceousglands,usually...
...
...
...closetohairfollicles...
...
...
...
anoilysubstancecalledsebumwhichperformsatriplefunction
of...
...
...
...
...
...
...theskin,...
...
...
...
...toomuchwaterfromleaving
theskinand...
...
...
...
...
...
.bacteria.
Sweatglandsareexocrineglands...
...
...
...
...inthedermisthe
functionofwhichisto...
....
....
....bodytemperatureby
...
...
...
...
...
...
.waterandto...
...
...
...
...
.wastemoleculesofurea,
ammoniaandsalt.Theiraction...
...
...
...
...
...whenthebodygets
hot,forinstance,whenexercising.
Theskinperformsanumberofimportantfunctions.It....
...
....
....
thebodyfromtheexternalenvironment(temperaturefluctuations,
pathogensandharmfulsubstances).It...
....
....
....
..bodytempera-
tureby....
....
....
..heator....
....
....
..itsexcessthroughsweating.It
preventswaterlossfromthebody.Ithelpsto....
....
....
....body
wastesortoxinsalsothrough...
....
....
....
..Ithelpsintheproduction
ofvitaminD.It....
....
....
...awarningsystemasthenervesensorsin
theskin....
....
....totouch,
...
....
....
....,painandtemperature.
Task2
Markthefollowingstatementstrue(T)orfalse(F).Justifyyour
answerinthecontextofthetextsaboveandyourgeneral
knowledge.
1.Theskinisacomplexstructure.
2.Keratinandmelanincontainedintheepidermisareimportant
multifunctionalmolecules.
3.ThereisarelationbetweentheskinandthelevelofvitaminD
inthehumanorganism.
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