Biology: masana'anta - wani rukuni na sel da suke da irin wannan sifa da aiki

A cewar ilmin halitta, nama - musamman tsarin cewa tsiraru da tabbatar da aiki na wani kwayoyin a matsayin dukan. Abin da tsarin fasali bukatar mallaka domin ya yi wannan muhimmanci aiki?

Mene ne masana'anta na nazarin halittun zai amsa

Bisa ga definition, da masana'anta shi ne wani rukuni na sel, irin wannan sifa da aiki. Ba dukkan halittu suna kafa ta kama Tsarin. Saboda haka, ƙwayoyin cuta ne da ba-salon salula siffofin rayuwa, da kuma duk kwayoyin cuta - single-celled.

musamman kungiyoyin na sel da damar duk physiological matakai da nagarta sosai. Saboda haka sosai shirya abubuwa masu rai suna sanya har na gabobin. Wannan hujja itace ta tabbatar ilmin halitta. Fabric - shi ne kawai a tsarin hada da Kwayoyin da kafa gabobin.

shuka nama

Abin da shi ne a cikin masana'anta? Shuka ilmin halitta ya nuna cewa ba kawai daga Kwayoyin. Tsakanin su akwai da intercellular abu, ya yi aikin aiki na wata gada. Shuka nama shi ne kusan rage su ba.

Suna wakilta da wadannan iri:

1. A cover:

- peels - mai rai nama tare da wani musamman tsarin - stomata hidima ga gas musayar;

- tube - matattu nama a cikin abin da metabolism aka kwashe lenticels.

2. Summary - Stores gina jiki, daukawa fitar da tsari na photosynthesis, shi Forms da dalilin tilasta yin aiki.

3. Mechanical - ya aikata wani goyon bayan aiki.

4. conductive - samar da wani zuwa gaba (da ruwa daga tushen) da kuma downlink (kwayoyin abubuwa daga ganye) abubuwa halin yanzu.

5. Ilimi - by rarraba Kwayoyin mayar da wani da waxannan cututtukan nama, dauke da fitar farfadowa.

dabba nama

A fasalin da wannan kungiyar na sel ne gaban mai yawa extracellular matrix.

A dabbobi suna classified wadannan tsokoki:

1. epithelial - yana da wani m aiki. Yana kuma Forms gland shine yake da daukawa metabolism. The kafa epithelial nama? Biology da shi mai sauki ne: kananan, m-kasancẽwa daban-daban siffa Kwayoyin.

2. hada guda biyu - kunshi manyan Kwayoyin da babban adadin intercellular abu. Shi ne kafuwar dukan kwayoyin. Its iri ne jini, kashi, guringuntsi, da kuma adipose nama.

3. Muscle - wakilta mutum zaruruwa, iya rage - myofibrils. Suna iya bayar da jiki motsi a cikin sarari da kuma motsi na mutum gabobin.

4. juyayi - haɗu da jiki da muhalli, results a gaban sharadi reflexes kuma m. Yana da aka hada da Kwayoyin kira neurons kuma su tafiyar matakai - axons da dendrites. Yana da ga shi da bayanin da aka daukar kwayar cutar daga haska tsarin rabe a cikin kwakwalwa, da kuma daga can - da aiki jikinsu.

Da dangantakar tsarin da kuma ayyuka

Amma, mafi muhimmanci, a matsayin kimiyya da ilmin halitta, nama - wani rukuni na Kwayoyin, wanda aiki saboda su tsari.

Alal misali, kananan, a hankali spaced epithelial Kwayoyin, kusan bã tãre da intercellular abu, kamar garkuwa. Tare da irin wannan tsarin fasali a bayyane alama - kariya. Quite daban shirya connective nama. Saboda shi Forms tushen duk gabobin, shi ya kamata yalwa. Wannan ya bayyana a gaban manyan Kwayoyin da babban adadin intercellular abu. Musamman mai yawa da shi a cikin jini. Wannan abu ne sananne ga dukan, da ake kira jini. Ya ƙunshi corpuscles. Red jini Kwayoyin - ja jini Kwayoyin - kai oxygen daga cikin huhu zuwa gabobin da carbon dioxide a baya shugabanci. Platelets - platelets inganta clotting na jini. Farin jini Kwayoyin - colorless Kwayoyin. Sun samar da tsarin na rigakafi, na taimaka wa jiki yin tsayayya da cututtuka.

Yadudduka da kuma ci gaba

Mene ne nama ilmin halitta gane nan da nan. Shi ne kawai tare da sabuwar dabara na hasken microscope saukar da wani ban mamaki mutum microscopic image na cell, kuma tare da shi da kyallen takarda.

Lower shuke-shuke, da suka hada da algae, kyallen takarda ba. Kuma har ma da kwayar wakilan kunshi mutum ba qware Kwayoyin da suke da aikin da alaqa. Bugu da ari, tare da canji na yanayin damina a Duniya kasance na farko da kayan lambu zuwa zo a bakin. A cewar ilmin halitta, nama - a zama dole yanayin, domin rayuwa a cikin sabon yanayi. A gansakuka da kuma gansakuka sun fara inji nama, wajibi ne ga su na sarari tsari. Kuma a sa'an nan - da kuma bayar wa. Wannan ci gaban ya haifar da samuwar wadannan gabbai: Tushen kuma harbe.

A mafi m kwayar dabbobi da babu real kyallen takarda. Muna magana ne game da wakilin irin Coelenterates ruwa tare hydra. Ta jiki da aka kafa ta musamman Kwayoyin :. epithelial, murdede, jima'i, fata-murdede, glandular, da dai sauransu Amma ba su samar da gungu, kuma suna warwatse ko'ina cikin jiki.

Saboda haka, bayyanar yadudduka shi ne farkon haduwar tsarin rayayyun kwayoyin halitta, wanda damar mafi daidaita da kowane yanayi.