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Circulary System

Fidya, drg, M.Si

Laboratorium Anatomi danHistologi

FK Universitas Brawiaya

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•  !"e circulatory system

divided into#  !"e cardiovascular system, which consists of the

heart, blood vessels, and blood Lymphatic system, which consists of lymphatic

vessels and lym$"oid tissues wit"in t"e s$leen,t"ymus, tonsils, and lym$" nodes.

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Functions of the CirculatorySystem

• Transportation.

a. Respiratory.

b. Nutritive.

c. Excretory.d. Regulatory.

• Protection.

% $rotects against inury and &oreign microbes or to'ins

%  !"e clotting mec"anism $rotects against blood loss invessel damage

% Leu(ocytes may also $rotect t"e body t"roug"$"agocytosis.

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Arteries o& !"eBody

)eins o& !"eBody

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*ervous System

•  !"e nervous system is divided into t"e centralnervous system (CNS, which includes thebrain and spinal cord, and the peripheralnervous system (PNS, which includes the

cranial nerves arising from the brain and the spinalnerves arising from t"e s$inal cord .

•  !"e autonomic nervous system (!NS is afunctional subdivision o& t"e nervous system. !"econtrolling centers o& t"e A*S are located wit"in t"e

brain and are considered $art o& t"e C*S+•  !"e $eri$"eral $ortions o& t"e A*S are subdivided

into t"e sympathetic and parasympatheticdivisions.

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Muscular System

• Functions#

-movement

/ "eat$roduction

0 bodysu$$ort andmaintenance o& $osture

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Muscle Attac"ment

• S(eletal muscles are attac"ed to a bone on eac" end by tendons

•  !endon# com$osed o& dense regular connective tissue

  binds a muscle to t"e $eriosteum o& a bone.

• 1"en muscle contracts it s"ortens tension on its tendons andattac"ed bones

• 2nsertion more movable bony attac"ment o& t"e muscle

• 3rigin less movable attac"ment o& t"e muscle

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