Phapanyetsano ea khase

Litaba

• Kakaretso

Bapala video ea bophelo bo botle: //medlineplus.gov/ency/videos/mov/200022_eng.mp4Ke eng see? Bapala video ea bophelo bo botle ka tlhaloso ea molumo: //medlineplus.gov/ency/videos/mov/200022_eng_ad.mp4

Kakaretso

Moea o kenella 'meleng ka molomo kapa ka nko' me o potlakela ho pharynx, kapa 'metso. Ho tloha moo, e feta ka molomong, kapa ka lebokoseng la lentsoe, ebe e kenella trachea.

Trachea ke phaephe e matla e nang le masale a lefufuru a e thibelang ho oa.

Ka har'a matšoafo, makala a trachea a ba bronchus ea leqele le letona. Tsena li arola makala a manyane le a manyane a bitsoang bronchioles.

Li-bronchioles tse nyane haholo li fella ka mekotla e menyenyane ea moea. Tsena li bitsoa alveoli. Li phefumoloha ha motho a hema le ho koenya moea ha motho a hema.

Nakong ea phapanyetsano ea khase oksijene e tloha matšoafong e ea maling. Ka nako e ts'oanang carbon dioxide e tloha maling e ea matšoafong.Sena se etsahala matšoafong lipakeng tsa alveoli le marangrang a methapo e menyenyane ea mali e bitsoang capillaries, e lutseng maboteng a alveoli.

Mona o bona lisele tse khubelu tsa mali li feta li-capillaries. Marako a alveoli a arolelana lera le capillaries. Ke kamoo ba atamelaneng kateng.

Sena se lumella oksijene le carbon dioxide ho hasana, kapa ho tsamaea ka bolokolohi, lipakeng tsa sistimi ea phefumoloho le phallo ea mali.

Limolek'hule tsa oksijene li hokahana le lisele tse khubelu tsa mali, tse khutlelang pelong. Ka nako e ts'oanang, limolek'hule tsa carbon dioxide tse alveoli li fefoloa 'meleng nakong e tlang ha motho a tsoa.

Phapanyetsano ea khase e lumella 'mele ho tlatsa oksijene le ho felisa carbon dioxide. Ho li etsa ka bobeli hoa hlokahala bakeng sa pholoho.

• Mathata a phefumolohang
• Maloetse a Lung