I thinlung chungchang kan sawi dawn em ni? He taksa peng te tak te hi a hlut zia i hria em?

He engine te tak te, i rilru chhung atanga zan leh zan hnathawk thin hi i ngaihtuah ngai em? Ni e, i thinlung chungchang ka sawi a ni. I taksa pumpui nunna pe thei motor te tak te ang a ni. Chuvangin, vawiinah hian he taksa peng mak tak, thinlung an tih hi tlem han sawi belh leh ila? He zinkawng zawh tur hian i inpeih tawh em?

Thinlung chu eng nge ni? A awlsam zawngin i hrethiam ang u!

Thinlung hi, a awlsam zawngin, kutphah ang maia lian taksa peng a ni. I taksa pum puia thisen pump chhuaktu main pump a ni. Tui pump-in tank-a tui a pump ang bawkin thinlung hian i taksa pum puiah thisen a pump chhuak a ni. I circulatory system-a organ ber a ni. Organ te tak te mahse chak tak a ni a, taksa ruh leh taksa peng dang atanga siam a ni.

I thinlung hian chamber lian pali a nei a . Chûngte chu pindan tê tê ang mai a ni. Thisen hi heng chamber-ah hian rei vak lo dahkhawmin hma a sawn hmain a awm a ni. Thinlung chu electrical impulse hmangin a thawk tan thin. Electric current te tak te ang maiin. I thluak leh nervous system hian thinlung hnathawh dan a thunun a.

Thinlung hnathawh berte chu engte nge ni? Engvangin nge hei hi a pawimawh em em?

He thinlung te tak te hian i ngaihtuah aiin a ti tam zawk. En...

• Thisen pump: Hei hi a pawimawh ber a ni. Taksa pumpuiah thisen a phur a. He thisen hian i taksa chhunga cell tin hnenah oxygen leh nutrients a pe chhuak thin. Tin , carbon dioxide leh bawlhhlawh dangte chu cell atang hian a phur chhuak a, taksa peng dangah a thlen a, chutah chuan a paih chhuak thei bawk.
• Heart rate control: Heart ngei hian i heartbeat rate leh rhythm a control a.
• Thisen sang vawn that: Thinlung hian i thisen sang chu a normal level-a awm reng turin a pui bawk.

Thinlung hian he hna hi amah chauhin a thawk lo. Heng thilte ti turin system dangte nen tangkawpin hna a thawk a ni:

• Nervous system: Nervous system hian i chawlh laiin i heart rate a ti hniam a, i lungkham emaw, i stress emaw a i heart rate a ti sang thei bawk.
• Endocrine system: He system hian chemical hormone an tih chu a tichhuak thin . Heng hormone te hian thisen kalna kawng a tikhawlo emaw, a tizau emaw a ni. Hei hian thisen sang a nghawng a ni. Entirnan, i thyroid gland atanga hormone lo chhuak te pawhin i heart rate a tisang thei a, a ti hniam thei bawk.

Thinlung peng hrang hrangte chu engte nge ni? In chhunga peng hrang hrang ang mai a ni!

Thinlung hi in te tak te angin ngaihtuah rawh. In chhunga peng hrang hrang ang bawkin thinlung pawh hian peng hrang hrang a nei a.

• Bang: In bang ang mai a ni.
• Chambers: In chhunga room ang mai.
• Valve: Room kawngkhar ang bawkin a inhawng thei a, a khar thei bawk.
• Thisen kalna kawng: In chhunga tui pipe system ang chi.
• Electrical conduction system: In chhunga electric pe thei wiring system nen a inang.

Tunah chuan heng hmun tinte hi chipchiar deuhin han thlir ila.

Thinlung Bang

Hengte hi heart contract leh relax-a puitu muscle te an ni. He contraction leh relaxation hian taksa pum puiah thisen a luang chhuak thei a ni. Thinlung bangte hi dinglam leh veilam ah a then a , chu chu taksa peng hrang hrang septum an tih hian a ni .

Heart wall-ah hian layer lian pathum a awm a, chungte chu:

• Endocardium: A chhungril ber a ni.
• Myocardium: A laiah a thuk, taksa peng hrang hrang a awm. Hei hi thinlung pumping function ber a ni.
• Epicardium: Pawn lam atanga venhimna layer.

He `(Epicardium)` hi thinlung hualtu pericardium an tih, venhimna bawm layer khat a ni. He `(pericardium)` hian thinlung tithianghlimtu tur tui a siam chhuak a. Thinlung hian taksa peng dang a tihbuai loh nan a titawp a ni.

Thinlung Chambers te

Ka sawi tawh ang khan thinlung hian pindan lian pali a nei a. A chung lamah pahnih leh a hnuai lamah pahnih. Heng chamber te hi thinlung dinglam leh veilam a awm a ni.

• Right atrium: Oxygen tlachham thisen hi he chamber-ah hian vein lian pahnih kaltlangin a lut thin. Superior vena cava hian taksa chunglam atanga thisen a rawn keng tel a. Inferior vena cava hian taksa hnuai lam atanga thisen a rawn keng tel a. Chumi hnuah chuan atrium dinglam chuan he thisen hi ventricle dinglam ah a pump lut ta a ni.
• Right ventricle: He chamber hi thinlung dinglam hnuai lam a awm hian pulmonary artery kaltlangin lungah oxygen tlakchhamna thisen a thawn chhuak thin . He thisen hi lung chhungah hian reoxygenated a ni.
• Left atrium: Lung atanga oxygen nei thisen chu pulmonary veins kaltlangin left atrium ah a lut thin . He chamber hi thinlung veilam sir chunglam a awm hian thisen chu veilam ventricle-ah a pump lut a ni.
• Left ventricle: Hei hi right ventricle aiin a lian deuh a, a chhan chu hetah hian oxygenated thisen chu taksa pum puiah pump luh a ni.

Thinlung Valve te

Chûngte chu thinlung pindan inkâra kawngkhârte ang an ni. Heng valve te hi thisen chu kawng khatah chauh a kal theih nan an inhawng a, an khar bawk. Heng valve te hian thisen hnunglam panna tur a titawp bawk.

Valve hi chi hnih a awm a, chungte chu:

• Atrioventricular (AV) valve: Hengte hi upper atria leh lower ventricles inkarah a awm a.
• Tricuspid valve: Atrium dinglam leh ventricle dinglam inkar kawngkhar.
• Mitral valve chu: 1.1.Left atrium leh left ventricle inkar kawngkhar.
• Semilunar (SL) valve: Heng valve te hi ventricles atanga thisen a chhuah chuan a inhawng thin.
• Aortic valve: Left ventricle atanga thisen aorta (taksa lama oxygenated thisen phurtu main artery) a luh chuan a inhawng thin.
• Pulmonary valve: Ventricle dinglam atanga thisen chu pulmonary arteries (lungs-a oxygen tlachham thisen phurtu artery chi khat awmchhun) a luh chuan a inhawng thin.

Thisen kalna kawng hrang hrang

Thinlung hian thisen kalna kawng chi thum hmangin thisen a pump chhuak a:

• Arteries: Thinlung atanga thisen oxygen awm chu taksa tissue-ah a phur lut thin. A danglamna chu lung chhunga pulmonary arteries te hi a ni - oxygen tlachham thisen an keng tel a ni.
• Veins: Oxygen tlachham thisen chu thinlungah rawn hruai kir leh rawh.
• Capillaries: Hengte hi thisen kalna kawng te tak te an ni. Heng capillary-ah hian oxygen nei thisen leh oxygenated thisen inthlak danglamna.

Coronary Arteries te a awm bawk

Thinlung hian hna a thawh theih nan chaw tha a mamawh bawk. He network of coronary arteries atang hian thinlung hian ei tur a dawng thin . Heng arteries te hi thinlung chung lamah an kal a. Hengte hi thinlung ngei rawngbawltu thisen kalna kawng (arteries) te an ni.

• Left coronary artery: Hei hi branch hnih ah a inthen a, chungte chu circumflex artery leh left anterior descending artery (LAD) te an ni.
• Circumflex artery: Left atrium leh left ventricle sir leh hnung lamah thisen a pe chhuak thin.
• Left anterior descending artery (LAD): Left ventricle hma leh hnuai lam leh heart septum hmalam ah thisen a pe chhuak thin.
• Right coronary artery (RCA): thisen hi atrium dinglam, ventricle dinglam, veilam ventricle hnuai lam leh thinlung hnung lam thlengin thisen a pe thin.

Electrical Conduction System hmanga thil tih a ni

Hei hi in chhunga wiring system ang a ni. He system hian heartbeat rhythm leh speed a control a ni. Signal te hi thinlung chunglam atanga tan in a tla thla thin.

• Sinoatrial (SA) node: Thinlung ti na thei signal te hi hetah hian a intan thin. Hei vang hian thinlung "natural pacemaker" an ti a ni.
• Atrioventricular (AV) node: Thinlung chunglam chamber atanga lower chamber thlengin electrical signal a kalpui thin.
• Left bundle branch: Left ventricle ah electrical impulse a thawn thin.
• Right bundle branch: Ventricle dinglam ah electrical impulse a thawn thin.
• Bundle of His: (AV) node atanga Purkinje fibers ah impulse a thawn thin.
• Purkinje fibers: Heng fibers te hian heart cells te a ti contract a, thisen a pump chhuak thin.

I thinlung hi khawiah nge a awm?

I thinlung hi i rilru hmalam ah a awm a. A dik zawka sawi chuan i rilru lai takah sternum (breastbone) hnung leh veilam deuhah a awm a.

Thinlung hi taksa veilam, lung dinglam leh veilam inkarah a sang deuh deuh a ni. Veilam lung hi a te deuh a, a chhan chu rilru veilam sir a thinlung a awm a ngai a ni. I rib cage hian thinlung a venghim a ni.

Thinlung hi eng ang nge a nih? Engtiang chiahin nge a lian?

Thinlung chu inverted pyramid ang mai a ni a, a sir zawng zawng chu a zungpui (rounded edges) a ni. Thisen kalna kawng lian tak takte chu thinlungah an lut a, an chhuak bawk. Chungte chuan thinlung chu taksa dang nen a thlunzawm a, thisen leh oxygen a pe chhuak a ni.

Mi tin thinlung hi a danglam deuh vek a. A vaiin i thinlung hi i kutphah ang vel a ni . Puitling thinlung hi ounces 10 vel (gram 280 vel) a rit a ni . He weight hi i size leh gender a zirin a danglam thei.

Thinlung tichhe thei natna tlanglawn tak takte chu engte nge ni?

Lung natna hi a tam hle a. Ram thenkhatah chuan thihna thlentu ber a ni.

Thinlung tichhe thei dinhmun tlanglawn thenkhat chu hetiang hi a ni:

• Heartbeat irregularities (Arrhythmia): Heartbeat chak lutuk, slow lutuk emaw, rhythm mumal lo nei emaw a ni.
• Cardiomyopathy: Lung ruh a thim, a lian emaw, a nghet lo emaw.
• Congestive heart failure: Thinlung hi a khauh emaw, a chak lo emaw a, thisen a pump tha thei lo.
• Coronary artery disease: Coronary arteries-a thau awm (plaque) awmin a ti tawi.
• Diabetes: Thisen sugar level pangngai aia sang.
• Heart attack / myocardial infarction: Coronary artery a block nghal a, heart muscle thenkhat oxygen a hloh phah.
• Heart valve natna: Heart valve a thawk tha lo.
• Thisen sang: Thisen hian thisen kalna kawng bang chu nasa takin a nawr a.
• Cholesterol sang: Thisen a thau awm zat a tisang.
• Pericarditis: Thinlung khuhtu bawm pericardium a inflammation.

Lung natna lan chhuah dan tlangpui engte nge ni? Hengte hi fimkhur rawh!

Lung natna hian symptoms a thlen thei a, chungte chu:

• A rilru a na.
• Lung na tak tak.
• Luak chhuak thei.
• Thâwk a tawi.
• Chau.
• I taksa hnuai lam, a bik takin i ke leh ke ruh a hring.

Pawimawh: Heng symptoms pakhat emaw a aia tam emaw i neih chuan doctor thurawn lak nghal a pawimawh hle. A châng chuan hengte hi natna khirh tak chhinchhiahna a ni thei bawk.

Lung hriselna enfiahna test hman tlanglawn tak takte chu engte nge ni?

Doctor ten i thinlung a hrisel em tih test hrang hrang an nei thin.

• Thisen sang tehna a ni.
• ECG (Electrocardiogram - EKG): Thinlung electric hnathawh dan enfiahna test a ni.
• Echocardiogram: Thinlung ultrasound scan ang mai a ni. Valve-te pianzia, a lian zawng, a chamber leh a hnathawh dan a en thei a ni.
• Chest X-ray neih a ni.
• Thisen test: Cholesterol leh sugar level ang chi thil te enfiah thin ang che.
• Cardiac catheterization: Heart arteries-a blockage awm leh awm loh enfiahna test a ni.
• CT scan `(Computed tomography - CT scan) hmanga tih a ni.
• Lung lam MRI (magnetic resonance imaging) hmanga tih a ni .
• Stress test: Hei hian exercise neih laiin thinlung hnathawh dan a test thin.

Lung natna enkawlna hman tlanglawn tak takte chu engte nge ni?

Lung natna enkawl dan hrang hrang a awm a, chu chu natna chi hrang hrang a zirin a ni.

• Damdawi: Thisen sang tihhniamna tur leh thisen zam tur venna damdawi ang chi.
• Nunphung thlak danglam: I ei leh in, leh exercise i tih tam dan ang chi thil tihdanglam.
• Damdawi hmanrua: Entirnan, pacemaker ang chi hmanrua.
• Thiltih dan: `(Catheter ablation)` emaw `(angioplasty)` (arteries hawn) ang chi thil.
• Surgery: Coronary artery bypass surgery emaw valve thlak emaw ang chi.

Engtin nge ka thinlung hi ka vawn that theih ang? Hei hi nangmah ngeiin i ti thei ang!

Lung natna i nei tawh a nih chuan i doctor enkawl dan tur dik takin zawm rawh. Damdawi ei tur hi a hun takah leh a zat tur dik takah ei a pawimawh hle.

Chu bâkah, i thinlung hrisel taka awm reng nân heng nunphung tihdanglamnate hi i siam thei bawk:

• I taksa rihna hrisel tak, i duh ang angin vawng reng ang che.
• Zu in hi tihtlem (i in a nih chuan in tlem hle).
• Thinlung hrisel ei tur: Thei, thlai, legumes leh whole grains ei tam rawh.
• Kar khatah minute 150 tal taksa tihchak tur a ni. (Insawizawi)
• Chaw ei tur chi (sodium) dah zat tihtlem.
• Stress enkawl: Meditation leh journaling ang chi hmanraw hrisel tak tak hmang rawh.
• Meizial zu leh zuk leh hmuam thil dang hman chu bansan vek rawh. Secondhand smoke hi pumpelh rawh. Meizial i zuk chuan doctor pan la, i zuk bânsan theih nân ṭanpuina dil rawh.

Doctor hnenah ka thinlung chungchang eng nge ka zawh ang?

Doctor i hmuh hunah hetiang zawhna hi i zawt thei ang:

• Ka chhungkaw natna chanchin hian engtin nge ka thinlung hriselna a nghawng?
• Ka thisen sang tihhniam nan eng nge ka tih ang?
• Engtin nge ka cholesterol level hian ka thinlung a nghawng?
• Heart attack chhinchhiahna engte nge ni?
• Lung natna laka inven nan eng chaw nge ka ei ang?

A tawp berah chuan thil hriat reng tur (Take-Home Message) .

I circulatory system-a organ ber a nih angin i thinlung hi i nung rengtu a ni. I taksa pum puiah thisen a pump chhuak a, i cell leh tissue-ah oxygen a thlen a ni. Thinlung hian hmun pawimawh tak a chan avangin uluk taka enkawl a pawimawh. Thinlung natna hi a awm fo nachungin, i thinlung nghet taka awm reng turin inthlâk danglamna i siam thei a ni. I thinlung hriselna tihchangtlun theih dan tur doctor zawt rawh. I thinlung, i nun! Uluk takin enkawl rawh!

` Thinlung, thinlung natna, thinlung hriselna, thisen kal dan, lungphu chawl, thinlung hnathawh, thinlung hrisel