Wadatacce
- Yadda kifi ke shakar iskar da ke cikin ruwa
- tsarin numfashi na kifi
- Ta yaya kifi ke numfashi, suna da huhu?
- Kifi yana barci: bayani
Kifi, da dabbobin ƙasa ko dabbobi masu shayarwa, suna buƙatar kama oxygen don rayuwa, wannan shine ɗayan mahimman ayyukan su. Koyaya, kifaye ba sa samun iskar oxygen daga iska, suna iya kama iskar oxygen da aka narkar a cikin ruwa ta wani gabobi da ake kira brachia.
Kuna son ƙarin sani game da yaya kifi yake numfashi? A cikin wannan labarin na PeritoAnimal za mu yi bayanin yadda tsarin numfashin kifin teleost yake da yadda numfashin su ke aiki. Ci gaba da karatu!
Yadda kifi ke shakar iskar da ke cikin ruwa
A brachia na kifin teleost, wanda shine mafi yawan kifaye ban da sharks, haskoki, fitila da hagfish. a bangarorin biyu na kai. Kuna iya ganin ramin opercular, wanda shine ɓangaren "fuskar kifi" wanda ke buɗewa waje kuma ana kiranta operculum. A cikin kowane ramin opercular akwai brachia.
An tallafa wa brachia guda huɗu arches brachial. Daga kowane baka na brachial, akwai ƙungiyoyi biyu na filaments da ake kira brachial filaments waɗanda ke da siffar "V" dangane da baka. Kowace filament ya lullube tare da filament na makwabta, yana yin tangle. Bi da bi, waɗannan brachial filaments suna da nasu tsinkaye da ake kira secondary lamellae. Anan ana yin musayar gas, kifi yana kama oxygen kuma ya saki carbon dioxide.
Kifin yana ɗaukar ruwan tekun ta bakin kuma, ta hanyar hadaddun tsari, yana sakin ruwa ta hanyar operculum, a baya yana ratsa lamellae, inda yake kama oxygen.
tsarin numfashi na kifi
O tsarin numfashi na kifi yana karɓar sunan famfon opercular. Pump na farko, buccal, yana yin matsin lamba mai kyau, yana aika ruwa zuwa ramin opercular kuma, bi da bi, wannan ramin, ta hanyar matsin lamba, yana tsotse ruwa daga ramin baki. A takaice, ramin baki yana tura ruwa zuwa cikin ramin opercular kuma wannan yana tsotsa.
A lokacin numfashi, kifin yana buɗe bakinsa da yankin da aka saukar da harshe, yana haifar da ƙarin ruwa don shiga don matsin ya ragu kuma ruwan teku yana shiga cikin bakin don fifita gradient. Bayan haka, yana rufe bakin yana ƙara matsin lamba kuma yana haifar da ruwa ya ratsa ta cikin ramin da ke ciki, inda matsin zai yi ƙasa.
Sannan, ramin opercular yayi kwangila, yana tilasta ruwa ya ratsa ta brachia inda musayar gas da barin wucewa ta hanyar operculum. Lokacin sake buɗe bakinsa, kifin yana samar da wani dawowar ruwa.
Koyi yadda kifaye ke hayayyafa a cikin wannan labarin na PeritoAnimal.
Ta yaya kifi ke numfashi, suna da huhu?
Duk da cewa yana da sabani, juyin halitta ya haifar da bayyanar kifin huhu. A cikin phylogeny, an rarrabe su a cikin aji Sarcopterygii, don samun ƙusoshin lobed. An yi imanin waɗannan kifayen huhun suna da alaƙa da waɗancan kifayen na farko waɗanda suka haifar da dabbobin ƙasa. Akwai nau'ikan kifaye guda shida da aka sani da huhu, kuma mun sani kawai game da matsayin kiyaye wasu daga cikinsu. Wasu ma ba su da sunan kowa.
A nau'in kifi tare da huhu su ne:
- Piramboia (Lrashin daidaituwa na epidosiren);
- Kifi na Afirka (Protopterus annectens);
- Amphibius na Protopterus;
- Doltop na Protopterus;
- Kifin kifi na Australia.
Duk da cewa suna iya shakar iska, waɗannan kifayen suna haɗe da ruwa sosai, ko da ya yi karanci saboda fari, suna ɓuya a ƙarƙashin laka, suna kare jiki da wani kumburin da suke iya samarwa. Fata tana da matukar damuwa ga bushewar ruwa, don haka ba tare da wannan dabarar za su mutu ba.
Gano kifin da ke fitar da ruwa a cikin wannan labarin ta PeritoAnimal.
Kifi yana barci: bayani
Wata tambayar da ke kawo shakku da yawa tsakanin mutane ita ce ko kifi yana barci, tunda koyaushe suna buɗe idanunsu. Kifi yana da ginshiƙan jijiyoyin da ke da alhakin ba wa dabba barci, don haka za mu iya cewa kifi yana da ikon yin barci. Duk da haka, ba shi da sauƙi a gane lokacin da kifi ke barci don alamun ba su da haske kamar, a ce, a cikin dabbobi masu shayarwa. Ofaya daga cikin alamun da ke nuna cewa kifi yana barci shine rashin aiki na dogon lokaci. Idan kuna son ƙarin bayani game da yadda kuma lokacin da kifi ke barci, duba wannan labarin PeritoAnimal.
Idan kuna son karanta ƙarin labarai makamantansu Yadda kifi ke numfashi: bayani da misalai,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.