kvepavimo sistema Flashcards

1
Q

Kraujyje esancios chemines medziagos

A

78% azotos, 16% O2, 4% CO2, 1% kitos dujos

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2
Q

Ikvepiamo oro sudetis

A

78% azotas, 21% deguonis, 0,03% anglies dioksidas, 0,97% kitos dujos

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3
Q

Kvepavimo takai

A

apsaugo plaucius nuo pazeidimu ir infekciju, pro juos ikvepiamas ir iskvepiamas oras.

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4
Q

virpamasis epitelis

A

iskloja kvepavimo takus, blakstieneles isstumia patekusius svetimkunius

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5
Q

Nosies ertme

A

susildo ir apvalo ikvepta ora

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6
Q

nosiarykle

A

nukreipia ora i gerklas

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7
Q

gerklos

A

susildo, apvalo ora, apsaugo nuo uzdusimo

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8
Q

bronchai

A

paskirsto ora i plaucius

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9
Q

plauciai

A

juose vyksta duju apytaka

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10
Q

Gerklu sandara

A

kremzles - sudaro sieneles, apsaugo zmogu nuo uzdusimo
antgerklis - saugo, kad i gerklas nepatektu ryjamas maistas.
balso aparatas - sudaro garsas.

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11
Q

trachejos sandara

A

kremzliniai pusziedziai - sudaro priekine sienele, saugo nuo uzdusimo
raumenys ir raisciai - sudaro vidine sienele, netrukdo stemple slinkti maistui.
Funkcija - 1) praleidzia ora 2) apsaugine

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12
Q

bronchu sandara

A

kremzliniai ziedai - neleidzia susiaureti spindziui
bronchioles - nukreipia ora i alveoles

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13
Q

ALVEOLES

A

plauciai sudaryti is alveoliu. viename plautyje yra apie 300 mil. alveoliu.

alveoliu vidinis pavirsius isskiria biologiskai aktyvias medziagas, vyksta fagocitoze.

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14
Q

alveoliu prisitaikymas vykdyti duju mainus

A

sudarytos is vieno epiteliniu lasteliu sluoksnio, tai pagreitinta duju mainus.
tankus kapiliaru tinklas, todel intensyviai vyksta duju mainai.
alveoliu yra labai daug, tai padidina pavirsiaus plota.
vidini alveoliu pavirsiu dengia plievele, kuri neleidzia alveolems subliuksti isvkepus ora.

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