Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Cardiovascular System heart, Study notes of Zoology

It is about our heart system briefly explained, it useful for higher studies like NEET GPAT etc.

Typology: Study notes

2023/2024

Available from 08/23/2024

knowledge-gainers
knowledge-gainers 🇮🇳

5 documents

1 / 23

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
HEART
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14
pf15
pf16
pf17

Partial preview of the text

Download Cardiovascular System heart and more Study notes Zoology in PDF only on Docsity!

HEART

Carciovascnlar systes^ proides^ blood^ supply^ througt^ he^ bodg

Cordiovosculor Systeg

  • lt^ compuîae^ the^ heant,^ ateries,Neins^ and^ CopilloDñes

* WIko^ tovvey^ (1628)^ fathex^ of^ ciralation

Blood dsect contak oîHh issue cells.

4 Pumps blbo into a

K

A A mie of blood and tnteisthatfal fhadbemolymph.

cault callecd hemocoel.

Arthmopoels. closed CircalaBoy Sysem 4 Blood no diect contat uit tfssue cels. Blood Er:Annel

Bloo

al ay^ contaaned^ oithio^ vessel.

  • The^ deoygenated^ blood^ tupplyed^ froy^ teant^ to^ Jungs, by plmon^ any^ arteies
Shorkest civcalakion,.

(RA)

Pulmonenyoneys

HEAR

T

leart

lt iu sftuat in the spuce Medosinum. Present tto tuoo lungs. 4Average siae^ chinched^ frat^ s+ze fuliy developecd^ bekween^ the^ age^ of^ 14-20yeons

Shudy

of thoracic

t Kesaht^ ot^ tieast^ Male^ -980-^ 340gm^ Female-^ 930-9s0 m. of heot - Cardolog 4 ootd 4eat, day- ep-

* teat^ tansdankaibn^ occurd^ în^1461 by-chitfan^ &evoan

4 Fiat io lndia teat trancplantation in 14 by Vgmugogado

Heast

pal (^) safing | (^) usualar (^) Ovgan 4 First^ me^ Arue^ heant^ appeae fist fine ciculatoy^ sgttem^ charackess^ Annelida

Avthvopodo

Myggeníc 4eants lmpalses dBant by musde fTbexs Seen y VentibTafes Neuroaerie tHeant Impu1e dat by Neve Siters

seen im loverhibale
  • Shudy^ oi^ heaxt^ -^

Cardfologg

x Wodd^ leat^ dasy^

Septenber 28

SuperiorVena cawa

Pulmonany veins TricuspfdValve

HEART

Riaht ventide.

ch of -horta

Ihferío% vena cANa

lotecnay

lt puleonony ontegy

of

keit pulmonovy -Lell atum

Shaelure oe Heagt

yeins

-Aoyhe4icuspid valve^ Valve LLeft venhíde Iater vetiuda

Septu

Endocosdumi ionesmost Jayc ¥ Coves^ the^ heaut^ valves.

4 lr^ prevent^ the^ blbod^ trom^ shfckingy^ to^ the^ Toney^ uos

Pseveating poBenfaly^ fabel^ blbod^ clokr^. loterna Structuge^ of^ Hearst

t ha severe^ ehambers^ and^ alves,

Abídes -And VentTdes

Aufles (o) Ahfor

*|^ has^ sight^ and^ left^ auícdes.

4 lett^ aurícdes^ smaller^ than^ oiant^ auxíde.

Aurides ase^ 45i0^ and^ hawe^ less^ musular^ uoalli 4 Aurfles^ are^ malley^ theun^ Venticle. covers the^ venhicle^ each^ side. 4 Both^ and^ eft^ and^ qh^ Curicdes'^ arse

Aurfcles arse sLhtly

septung Intesahial septun a* prevent miing of oxygenated ond deoxuyqenake bluad.

Blood seceiing chambens.

An (^) oval (^) depiegs+on-fossa oves- (^) posheniot (^) pant.

  • forumen cNale Present infoetl stage. cleses af bith.

ase seperated bt

4 Supesîor^ vena^ cauoi

4t bring^ deszyqcnated^ blood^ from^ heud^ and^ upper^ pats

of the. body into te niaht^ uYfde. Infen)or vena cavo s eringy deozgenat^ ecl^ bood^ from^ louoex^ pat^ of^ the^ body nto he^ oht^ annicle. lalmonany veans 4 four^ number^ (^ tuos^ from^ cach^ n

’Jet aunide t- oygenated Glo

deoyygenated bood ehteat^ woall^ htaunrde. t\eart Naves Posevent back (^) o (^) of (^) blood.

Ticusprd valve s

Rsenent back flouo of blood fron RV toR.A x (^) Palmonay ’Ventícular^ contsacion valve(Semilunas) *\nikfal (^) paink of (^) palmonary (^) ateny

AVertíicular nelaalioo

Poevent toack fiouo o bloc rom Aulmonoy tunle ) indoev).

Mhral vave ceicuipid valve) Bekoeen L.A and L.V yenhiclor Conbuefoo Rseuen back tloo of blood 4om lelt venthíce Lf-L.A

Aoslfe alve -* In+tfal point of aorta 4 Venhíular elasalíon;- Rrevent back stoo aoka--Lv kustachían Valve Dpening of apesfor baek flow^ from^ (R.A)^ Qiahe^ atium, Thebasian Vawe

Vena CaNa.

  • Opening of coronay inus
* evenf back flous fom A).

Stenosís -fallare of a heat valve to ppe uly.

insuthdenty failue of a valuwe to close

Conduefing System^ ot^ luman^ eart ANetook of odes ,Mspe eîaliced cells and elechrel anads Ahat keep yourt beant bealing

Sfooahfal Nocle

AIt is (^) coatrol he (^) heantf beal

of

4 Ahfovenhícular Node

sh Pankinye^ fibexs

complelg

Ahiovenhí ualar^ lode^ r^ (AVN) Also called^ Twaxo^ and^ Ascaof lower lect Corner Df the Rsqhk atiung

hitfoaio ate^ is^ slouoer^ than^ sA^ Node^ i.e.^ 40-60imse.

*funtionaly^ ft^ fs^ called^ as^ -PacesetHer^ of^ heont

Bundle or ts (^) o) (^) Arioventicor burdler $ Mass (^) Speelalizedl fibres tin from Av lode Seperates atfo and ventide

Small (^) brsanches (^) ike (^) <hucures (^) -Purkinje (^) fibres x (^) Ay (^) bundles and (^) Panhinje (^) fibres (^) Cowey (^) împulse of Conhaion fyom Av (^) oode to (^) apet of (^) myocarcum. xAnd ks (^) bing (^) vemhinar (^) tontralio, (axchoc Csyde Hafrg thhee teps (a) Auriular^ systole-^ 0-1^ see ( veatielan sytole e)Venhíulav Sactele

díasole - 0-4Sec

  • Contachion phae Dias tule iRelázior pheve

Ohsel of^ ventícular^ systole^ the^ Av^ valve^ dose^ fistsound^ het At Be^ begting^ of^ yeicalos^ ctole^ +he^ semtlunar^ vave^ close Second &Ound hea lsomehc contsaetiu peoioo.o6): loteuad betoeen^ 4he^ closfg^ nÀ6f^ 4he^ AV^ valves^ and^ opentg of the gemflunay vaves

Prsotoastolic Penîod (0.04)se

Inteval between^ 4he^ beginning^ of^ diautole^ and^ the^ dos

af closure of he cemiunar alwe lsomehíe relaafon^ (o.oK^ sec)^? Istcventoicalan ope. Diastasfs o) slouo înfloo.phase co-\6+ ee)

pressure falli^ beloo^ thal^ of^ ahaand^

AV l,

The întermetfate^ pant^ of^ 4iNing^ s^ very^ slou

  • Rapid flisg phase (o-N3seo) First ant Of
  • Lait^ apid^ fNlng^ hae^ loiaec) Respons+ble fos^ 4he^ Aast^ part^ of^ ventiador^ fiuing Heart Sounds The beating^ of^ heas^ produces^ sounds. 4 ThÕs sQUnd1 are heased by shethoscope
four heant sounds Si,sa,82and

Cordiac Out Put

Volume of^ blood^ pumped^ by

per minwt. stroke volume

Volume of^ blood^ pumped^ ba^ ventides^ fr^ each^

beut

beot. Casdfae Output^ shoce^ volunme^ Nb.of^ beaks^ per^ minute 40x72- 5o4o milmin =5tes Cardae (^) seserye he (^) difFerence (^) beeen (^) the marnmurn and (^) eikkng (^) candiae (^) outpu Regulaionof Cardjac-dy

a

heart from each^ venhiele

Centre for heant beat resulai -Medulla oblonqaka. (0) Candae accelevaor cenhyei Inrense the^ sate^ of^ beastbeat

pauir of Sympathetie

No odsenane secvelion.

Carscfo fnkibitoxy Cenhe

Reduee tye heatbeat a Porasympahete neswe

Acetfcholie

nesye

Blooe vess els Capillasíes -y Sma ve sel

* tansport^ bloo^ from^ antees^ toveini.

Malpighi s6e - orscoveved

4 telps o exchange oo,Cog muhient s And otes,

Tunrco Iotexna'

A lnnes endotheluw

Abasemen membrane Tunfca medía

Ssues

4Chulax smooh^ meclet^ nd^ elas^ k)e^ fibres. Turfca etexna Toose Connecive tissue A\ongitudinaly annanged^ in^ ohite^ and^ yelloo^

bies, Arteies *Cannfes oxqqenated blood ezcept fumonny arteg

Seated însfde of the body

Thíck oall present Noo oluuloy umen naxNOUO A Start from atexies

Vefn 4 Aluoay^ eavy^ deoygenated^ blood exept pulmonany vein %Durk^ red^ colouN Suxface of the body *Thio uoall present Volvulay Lumen uofe Cnd from Capi lanies.

\ happens^ uohery^ the mtral^ valve^ does^ nt^ cdose^ al^ the

y ad^ Caue^ a^ Jeak.

shortness of breath Tivedness

t Valvula heant díseade

yout leg

SSope and Syngomg

Swolen feet

Ashortness of breath

4 heast mumN

openëng oF^ the^ mihad^ valve

ncsecue in let arfal pressure

Anaina Peckorfs?

Sops and

Pain n (^) chest (^) end (^) occurs if (^) the (^) heat A (^) mot

tPasn in hest ,Jaco,

Oiziness Farue lhdigetion aautes Raid breathing

Anxíety ehest pressure.

Ahytmig nd dypsbnga eoth refers to atbnotmal heatt rate's and shyth ms. Avhyhmía -No hgbm. Oysrhythrmfa- Abnormal -hyhr. Song and Symphom

  • Palçitationt. *Poundios, is (^) your (^) chest AOizziness 8 (ardlac \schemfa Heost muscle not Decrecse blood flouo Siqns aund Symproms Heck pa n At Shorness of breath

Fosm a

4 laused by anbealthy dict, locaing blood flouo.

sips and ggons

t (^) Shotness of (^) bbreth AChest dscomfbt. 4 Afast^ beant^ bedl

qtting enou ygen.

-* Heast attacle

4thfck layer^ instde^ ve^ isele.

4 Reipheral anter slurrned speech

  • (^) lauseo (^) and (^) vomng

dfsease