Human ji gabobin da su ayyuka

Hankula mutum ne domin ta hulda da waje duniya. Suna da mutane biyar:

- da sashen wahayi - idanu.

- da sashen ji - kunnuwansu.

- kamsasa - a hanci.

- touch - fata.

- dandano - harshe.

Su duka amsa kiran waje samuwar kasashe.

A gabobin na iyawa

Man halayyar dandano. Wannan shi ne saboda na musamman Kwayoyin da suke da alhakin dandano. Aka sãme su a kan harshe da kuma gama a dandano buds, kowanne daga abin da tsakanin 30 da 80 Kwayoyin.

Wadannan dandana buds located a kan harshe a matsayin wani ɓangare na naman kaza-dimbin yawa papillae, abin da ya rufe dukan surface na harshe.

A cikin harshen akwai wasu buds cewa gane daban-daban abubuwa. Akwai da dama iri na mayar da hankali, kowanne daga abin da ya bambanta tsakanin "your" dandani.

Alal misali, a m da zaki kayyade tip na harshe, m - karkashi, da kuma m - kaikaice surface.

olfactory Gabar

Olfactory Kwayoyin suna a cikin sama baka. Daban-daban microparticles fada cikin hanci sassa da mucous membranes, haka zo a cikin lamba tare da Kwayoyin alhakin gabar wari. Wannan yana yuwuwa ta musamman gashin da suke thicker gamsai.

Pain, tactile da kuma yawan zafin jiki ƙwarai

Na ji wani mutum, irin wannan suna da muhimmanci sosai, saboda shi ba ka damar kare da daban-daban hatsarori na duniya.

Special rabe warwatse ko'ina jikin mu surface. A sanyi ya mayar da martani Kholodov, zafi - da zafi, zafi - da zafi, ya taba - tactile.

Mai tactile rabe dake a cikin yankin na lebe da kuma a kan sauki. A wasu sassa na jiki kamar rabe da yawa kasa.

Lokacin da ka taba wani abu, ya fusata tactile rabe. Wasu daga cikin su ne mafi m, wasu - kasa, amma tattara bayanai da aka aiko zuwa kwakwalwa da kuma bincikar.

gani

Human hankula hada da manyan jiki - gani, godiya ga wanda muka samu kusan 80% na dukkan bayanai game da waje duniya. Ido, oculomotor tsokoki, lacrimal na'ura, da dai sauransu -. Shin abubuwa na sashen hangen nesa.

A eyeball yana da 'yan bawo:

- sclera, da ake kira cornea.

- choroid, wucewa a gaban Iris.

Eyeball ciki ne zuwa kashi a jam'iyya cika da m jelly-kamar abinda ke ciki. Kyamarori kewaye da ruwan tabarau - m Disc domin duba abubuwa da suke kusa da nisa.

A ciki gefen eyeball, wanda shi ne daura da Iris da cornea, shi ne hasken-m sel (sandunansu, kuma suka Cones), wanda maida haske fluxes cikin wani lantarki siginar kawota zuwa kwakwalwa ta na gani jijiya.

Lacrimal na'ura ne aka yi nufi ga kare cornea daga microbes. Lacrimal ruwa ne ci gaba da wanke da moisturizes surface na cornea, samar ta sterility. Wannan yana yuwuwa ta riqo na wuccin Ƙibtawa gashin idanu.

ji

Hada da mutum hankula na ji sashin jiki kunshi uku aka gyara - ciki, na tsakiya da kuma matsanancin kunne. A karshen - a nutse, kuma auditory kunne canal. Away eardrum raba tsakiyar kunne, wanda shi ne mai kananan sarari na game da daya cubic santimita.

A eardrum da kuma can cikin kunne boye wani uku kananan kasusuwa, da ake kira "guduma", "likkafa" da "maƙera", da samar da canja wurin sauti vibrations daga eardrum zuwa can cikin kunne. Zvukovosprinimayuschego jiki ne katantanwa, wanda aka located in can cikin kunne.

Katantanwa ne a kananan tube, spirally juya ta samar da biyu da rabi jũya musamman. An cika da danko sosai ruwa. A samu daga sauti vibrations zuwa can cikin kunne ruwa sun shige, wanda sways, kuma ya aikata a kan azanci shine dankon. Bayani a cikin nau'i na hatsaisai aika zuwa kwakwalwa na bincikar, kuma mun ji da sautuna.