Download - Heart lubb
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THE HUMAN HEART
A JOURNEY THROUGH THE
HUMAN HEART
Presentation by Samantha Cameron
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TABLE OF CONTENTS
The heart to the !n"s
The heart itse#
Heart at $or% Listen to yo!r heart
G!ar&in" yo!r heart
Heart rate
Heart 'a'es
The heart to the bo&y
So!n&s o# the heart
Te(hno toos
Heart heath
Cre&its
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THE HEART )TSELF
The h!man heart
(onsists o# * (hambers
there are t$o ty+es o#(hambers, the atri!m
an& the 'entri(e
there are t$o o# ea(h
ty+e in the heart
the heart $ei"hs a mere
-.. "rams
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HEART /AL/ES
The h!man heart (ontains 'a'es $hi(h
+re'ent boo& #rom #o$in" ba(% into the
heart (hambers a#ter it has (ontra(te&atrio'entri(!ar 'a'es are #o!n& bet$een the
atri!m an& 'entri(e o# ea(h si&e o# the heart
semi!nar 'a'es are #o!n& in the arteriesea'in" the heart to +re'ent boo& #rom
#o$in" ba(% into the 'entri(es
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HEART AT 0OR1
Ea(h min!te o# the
&ay the heart +!m+s 2
itres o# boo&ea(h time the heart
beats it sen&s
&eo3y"enate& boo& to
the !n"s an&o3y"enate& boo& to
the bo&y
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THE HEART TO THE LUNGS
Boo& enters the ri"ht
atri!m o# the heart 'ia
t$o ar"e 'eins, thes!+erior 'ena (a'a an&
the in#erior 'ena (a'a
boo& e3its the ri"ht
'entri(e o# the heartthro!"h the +!monary
artery to the !n"s
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THE HEART TO THE BO4Y
Boo& reenters the e#t
artri!m o# the heart 'ia
the +!monary 'ein boo& on the e#t si&e
o# the heart is
o3y"enate& an& is
+!m+e& into the bo&y by the e#t 'entri(e
thro!"h the aorta
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GUAR4)NG YOUR HEART
The heart is 'ery im+ortant an& is there#ore
(are#!y +rote(te&
the ribs +rote(t the heart #rom bein" (r!she&or b!m+e&5 th!s ao$in" the heart to beat
#reey $itho!t e3terna +ress!re
the heart is aso +rote(te& $ithin the thora3 by the +eri(ar&i!m5 $hi(h is #!i& #ie& to
+re'ent #ri(tion insi&e the (hest (a'ity
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HEART RATE The heart is ma&e !+ o# s+e(iai6e& m!s(e 7myo"eni(
m!s(e8 $hi(h (ontra(ts $itho!t o!tsi&e ner'o!s stim!ation
be(a!se the heart is ma&e !+ o# this s+e(ia m!s(e5 it nee&s
s+e(ia (ontros
the heart is (ontroe& by t$o no&es that are $ithin the heart
itse#
the #irst no&e is the sinoatria no&e 7SA no&e85 an& is
sometimes (ae& the 9+a(e ma%er: o# the heart
the se(on& no&e is the atrio'entri(!ar no&e an& it ser'es as a
(on&!(tor5 +assin" im+!ses to the rest o# the heart
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SOUN4S OF THE HEART There are t$o so!n&s
asso(iate& $ith the heart5 the
!bb an& the &!bb
the !bb so!n& is +ro&!(e&
$hen the 'entri(es (ontra(tan& the atrio'entri(!ar
'a'es (ose
the &!bb is +ro&!(e& $hen
the semi!nar 'a'es (ose5
there#ore +re'entin" boo&
#rom #o$in" ba(% into the
'entri(es
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L)STEN TO YOUR HEART
4o(tors !se 'ario!s metho&s
to (he(% yo!r heart
the stethos(o+e is (ommony
!se& to hear yo!r heart beat
the s+hy"momanometer
meas!res yo!r boo& +ress!re
that yo!r heart e3erts $ithea(h (ontra(tion o# the
'entri(es
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TECHNO TOOLS4o(tors ha'e many $ays
o# testin" the heath o#
yo!r heart
an ee(tro(ar&io"ra+h is!se& to (he(% the
re"!arity o# yo!r heart
beat an& yo!r heart rate
it (an aso be !se& to
$at(h heart atta(% 'i(tims5
an& ao$ &o(tors a oo%
to he+ &etermine any
&ama"e that $as (a!se&
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HEART HEALTH
)t is 'ery im+ortant to e3er(ise an& eat
heathy to he+ maintain heart heath;
There are times $hen heart heath is notmaintaine&5 an& this is $hen me&i(ine "ets
in'o'e&;
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Cre&its
Ci+ art #rom Mi(roso#t Ci+artPi(t!res #rom Yahoo< Pi(t!re Gaery