Amazing mudziyo - kufema kuvanhu hurongwa

Pasina zvokudya munhu anogona kurarama mavhiki akawanda pasina mvura - Mazuva mashoma uye pasina mhepo pashure 4 maminitsi kunouya uropi masero uye zvadaro rufu. The kufema maitiro muviri - ichi zvechokwadi zano anoshamisa.

kufema vanhu mugadziriro sei?

The kufema turakiti zvinosanganisira interconnected ndima uye ducts. Nepiko mhepo runoyerera usati wasvika mumapapu? The chakarebesa Rwendo kunotanga apo mhepo achishandisa muromo kana mhuno anopinda huro. Sezvo chikazozikamwa, muna huro kufema uye zvomudumbu nzira piringisha. To zvokudya kana mvura apo pakuparadza haana kupinda kufema turakiti, pane butiro duku, anozivikanwa somunhu epiglottis anovhara suo kwavari.

Kuburikidza huro apfuura kubva pahuro zvinokonzera mhepo nenhokwe kupinda trachea kana gurokuro (kureba kwarwo 12 cm). Over kwayo yose kureba trachea akasimbisa chidhongi serin'i cartilages vanenge makumi maviri. Panoperera ari trachea rakakamurwa sepombi maviri 2.5 cm - huru principales. Vakasvika rworudyi uye nokuruboshwe nemapapu, apo vakawanda bazi principales.

principales branching afanane sechivako muti mubhokisi, mapazi uye dzakaonda manyoro uye mashizha. Bazi idzva Mumwe Wazova wakawondereiko kudai mazuva ose. Mhepo chinotungamirwa kupinda zviduku manyoro - duku dhayamita midziyo 1 neMM, inonzi bronchioles.

Ipapo mhepo anozadza 300,000 channel achiri madiki - alveolar SACS. Ivo riri masumbu ari yemapapu uye Dzakafanana duku matema. Pane anopedzisa arborea kufema hurongwa, uye mhepo rinosvika kwavaiendeswa.

Sechivako mumapapu - chikuru reDare kufema hurongwa

Zvakakodzera nezvenyu, somunhu akanaka nzvimbo mumuviri chiedza - kumativi maviri mwoyo. Kodzero zvemapapu unotora lobes matatu uye kuruboshwe - maviri. Anobatsira vanachiremba anatomi yakadaro: ari kufema kwava kwazvo kushanda kunyange pashure dzadzimwa kana mamwe akafukidza kurwara zviri yemapapu.

Lung zvinyama afanane sechivako chipanji. chikamu chacho repasi chiedza yakabatana diaphragm. Ichi dzakasimba, tsandanyama partition raiparadzanisa chipfuva mhango kubva abdominal mhango. The diaphragm anonzi rinokosha tsandanyama pamusoro afemeruke, zviri kubatanidzwa kuramba kuwedzera uye marwadzo ose mumapapu.

Mumwe zvemapapu rinosanganisira nhete nevamwe - pleura. Kurutivi romukati pechipfuva kuripowo akafuka Kamudzira akadaro. Pakati akaturikidzana ndiko lubricating Urume. Nokuda Chimiro ichi, uye nemapapu, uye chipfuva Vaiisa takasununguka panguva afemeruke.

Kwokupedzisira chikumbaridzozve inspiratory mhepo

Kana mhepo zvasvika Formação de, izvozvo vokukurukura nemambure thinnest ropa midziyo - the pulmonary capillaries. Erythrocytes (matsvuku masero) anogona napakati capillaries ndiyo chete, saka rakamanikana diameters. Kuburikidza thinnest rusvingo (0.5 mm) carbon dioxide inobvisa zvinoenda alveolus. Okisijeni anosiya Formação de, kuitwa zvakawanda nokuda masero matsvuku eropa.

-Makota matatu chechipiri matsvuku eropa chete anoramba ari capillaries. Munguva pfupi nguva ino carbon dioxide inobvisa uye okisijeni kunge nguva swapped. Izvi zvinoshamisa negasi Exchange unonzi diffusion. Ropa vafumiswa pamwe okisijeni anopinda pulmonary mutsinga uye kunosvika rworuboshwe kurutivi mwoyo, uye kubva pane pumped yose muviri.

Fungidzira rose ropa kuti chete vanoda zvishoma kuti akanga apfuura zvakazara zvose izvi zvakaoma kufema ataure!

Kufema - imwe otomatiki hurongwa

Healthy mapapu rwoga vangasvika 14 nguva paminiti yokufungisisa mhepo panguva kufema. Kunyange zvazvo kushandisa michina iyi inogona kuva nemaune kumbomira, akabata mweya wake, asi zvinoita kuti chete maminitsi mashoma. Somuenzaniso, zvakafanira panguva Diving kana utachiona makamuri, asi pashure iyoyo, vaizongoguma kamwe zvakare kuenda maererano chiedza tsanzira papurogiramu kupinda otomatiki nzira. Aripiko kudzorwa Nhongonya "otomatiki"? The chaizvo receptors brainstem chengeta zviri carbon dioxide inobvisa muropa. Kana sandara akapfuudza zvinobvumidzwa mucherechedzo, uropi inotumira anonongedzera kuburikidza richikurukura tsinga uye kufema tsandanyama vachamanikidzwa kuti kusashanda pachitunha.

Chokwadi chishamiso - the kufema hurongwa, vakaisawo kwatiri Musiki!