Yadda yawa Kwayoyin a cikin jikin mutum? Abin da mãsu su ne mafi muhimmanci?

Abin da aka sani a game da jikin mutum? Yadda yawa Kwayoyin a cikin balagaggu jikin mutum? Kamar yadda suka girma da kuma ci gaba, abin da suka kasance? A duniya, masana kimiyya suna kokarin warware wadannan wasanin gwada ilimi.

Mene ne wani cell?

Masana kimiyya suna karatu shuka kwayoyin, da dabbobi, da mutane. Cage - Wannan shi ne mafi karami na wani kwayoyin. A cikin jikin mutum akwai mai yawa fiye da 100 tiriliyan. A daidai lambar da yake ba a sani ba. Yadda yawa Kwayoyin a cikin jikin mutum ke mutuwa kullum? The adadin ya dogara da akayi amfani. Alal misali, a cikin hanji epithelium - 70 biliyan kowace rana, jini - biliyan 2, da kuma juyayi tsarin Kwayoyin ba regenerate bayan mutuwar.

Domin da farko lokacin da Kwayoyin samu a 1665 Robert Guk. Ya gane cewa mazan da mutum, da mafi daga wadannan tsarin abubuwa a jikinsa. , потому что они отмирают и рождаются ежеминутно. Ba shi yiwuwa wajen ƙidaya yawan adadin na sel a cikin jikin mutum, domin su suna haife kuma mutu kowane minti daya.

Tsari da kuma aiki

Ba za mu iya ce da yawa game da Kwayoyin a cikin jikin mutum, amma masana kimiyya sani da tabbas cewa suna da wani hadadden tsarin. Mai kunshi:

• core, shi ne ake kira zuciya Kwayoyin.
• cytoplasm.
• nucleolus.
• mitochondria.
• core harsashi.
• endoplasmic reticular samuwar.
• ribosomes.
• lysosomes.
• rami da pores.
• jikin tantanin, wadda tabbatar da mutunci, shirya kwayuka balance.

The ayyuka dangantaka da kira na abubuwa. Glandular Kwayoyin nuna hormones ko enzymes. A mammary gland samar da madara, pancreas - insulin. Wasu ba su hada, misali tsoka Kwayoyin.

Ko da ta yaya yawa Kwayoyin a cikin jikin mutum, ba za su iya tsira ba tare da shi. Sel ne mosaic abubuwa samar da wata guda jiki.

jini Kwayoyin

Ga abin da yake cikin ruwa da gudana ta hanyar da jijiyoyinmu daga cikin mutane? Yana dauke da jini da kuma salon salula abubuwa:

• ja jini Kwayoyin - ja jini Kwayoyin.
• platelets.
• farin jini Kwayoyin - farin jini Kwayoyin.

Na abun dogara a kan yawa da kuma launi na jini. Yana daukawa fitar da canja wurin da sunadarai a cikin jiki. кровяных клеток. An adult ta jiki game da biliyan 50 da maikacin jini. Shi ne game da 5.5 lita.

pigment Kwayoyin

Melanocytes a jikin mutum da alhakin launi na fata, gashi, idanu da kuma wasu kayan ciki. Irin wannan Kwayoyin dauke a cikin cytoplasm pigments, haddasa su mataki. Melanocytes kuma yi wani m aiki da UV haskoki ne alhakin tanning. Kwayoyin na da irin woody.

Kwayoyin na juyayi tsarin

Wannan shi ne daya daga cikin wadanda cewa ba za a iya mayar da bayan mutuwar. Da kimiyya sunan - neurons. Su aiki - don aiwatar da aika bayanai ta hanyar na'urar hatsaisai samar da su. Neurons ya kasu kashi da dama iri:

• azanci shine (alhakin dauki zuwa ga haske, sauti).
• motor.
• interneurons.

A tsarin hada da wani jiki cell, dendrite, axon. Bisa ga tsarin, suna kuma ya kasu kashi da dama kungiyoyin. The mutum juyayi tsarin ƙunshi game da biliyan 10 neurons. A kowace shekara game da 10,000 mutu, kuma ba dawo dasu. Da mazan da mutum, da ƙasa da saura.

jam sel

Yadda yawa Kwayoyin a cikin jiki ne alhakin haifuwa? Su ne guda biyu iri, suka kasu kashi maza - maniyyi - da mace - kwai. Namiji haihuwa cell size fi yawa da mace, tun da shi ya ƙunshi mafi yawan cytoplasm. Suka fara gano a cikin 1677, amma sharuddan da kansu sun bayyana a farkon karni na 19th.

Duk da yake ba shi yiwuwa a ce ba daidai da yadda da yawa Kwayoyin a cikin jikin mutum, da masu bincike ya dube kusan dukkan su jinsunan. Su hallara ne kai tsaye da nasaba da kasancewar duk rayuwa a duniya duniya. Masana kimiyya suna kokarin koyon yadda za girma adam Kwayoyin a gudanar da bincike dakunan gwaje-gwaje. Tsammãninsu, zã su ci nasara ba.