THE SKELETOM
The skeletom is composed of bones.In the adult the skeletom has over 200 bones. The bones of skull consist of cranial and facial parts. There are 26 bones in the skull. The bones of the trunk are the spinal column or the spine and the chest (ribs and the breastbone). The spine consists of the cervical , thoracic, bumber and sacral vertebrae and the coccyx. The vertebrax (and the coccyx) is a small bone, which is formed by the body and the arches. All the vertebrae compose the spinal column or the spine. There are 32 or 34 vertebrac in the spine of the adalt.In the spinal column there are seven cervical vertebrac , twelve thoracic vertebrae , five spine.There are 32 or 34 vertebrac in he spine of the adult. In the spinal column there are swen cervical vertabrac, twelve thoracic verterac, five lumbar five sacral vertebrac and form one to five vertebrac which farm the cacyx . The cervical part of the spine is formed by seven cervical vertebrac .Twelve have large bodies The lumber vertebrae are the largest vertebrae in the spinal column. They have oval bodies. The chest (thorax) is composed of 12 thoracic vertebrae , the breastbone and 12 pairs (juft) of ribs. The is a long bone in the middle of the hest. It composed of three main parts ,. The basic part of the chest is formed by by the ribs. On each side of the chest soven ribs are are connected with the breastbone by cartilage . The cartilage of there ribs are connected with each other and welh the seventh ribs bill the cartilage of these ribs are note connected with of these ribs are not connected with the the breastbone .The eleventh and the and the twelth ribs are not connected with breastbone either . They are note connected with other ribs they are free . Each rib is composed of of a head neck and body.The lover extremity consists of thigh , leg and foot . It is connected with the freenk by the pelvis . The upper extremity is formed by the arm faearm and hand. It is connected with trunk by the shoulder girdle. The bones of the skeletom are connected together by the joints or by the cartilages and legaments . The bones consists organic organic and inorganic substance
Skelet suyaklardan iborat bolib,kattalarda 200 dan ortiq suyaklar mavjud. Kalla suyaklari miya va yuz qismlardan iborat bolib , kalla suyagida 26 ta suyak bor. Inson tanasi suyaklari umurtqa ustini yoki orqa miya va kokraklar qovirgalar va kokrak suyagidir umurtqa pogonasi boyin , bel va dumgaza va dum umurqalaridan iborat. Umurtqalar tana va yoylar tomonidan hosil qilinadigan kichik suyak , bazida umurtqalar orqa miya yoki umurtqa ustini hosil qiladi. Katta yoshdagi umurtqada 32 yoki 34 umurtqalar mavjud. Boyin umurtqalari 7 ta 12 ta kokrak umurtqasi, bel umurtqalari 5 ta dum umurtqalarini 3-4 ta umurtqalaridan iborat. Umurtqa pogonasi boyin qismini 7 ta boyin umurtqasi hosil qiladi. 12 kokrak umurtqasi katta tanachalarga ega. Bu umurtqalari umurtqa pogonasidagi eng katta umurtqalaridir. Ularning tuxum shakliga oxshash tanalari bor. Kokrak qafasi 12 kokrak umurtqalari kokrak qafasi va 12 juft qovirgalardan tashkil topgan. Kokrak suyagi kokrakning ortasida joylashgan umurtqadan iborat .Kokrak qafasining asosiy qismi shakllanadi. Qovurgalar bilan shakllanadi. Kokrak qafasining har bir tomonida 7 ta qovurga kokrak qafasi bilan bogim orqali boglangan. Boshqa uchida qovurganing togaylari bir –biri bilan yettinchi qovurga bilan boglangan. Ammo bu qovurgalarning togaylari kokrak bezi bilan bogliq emas. 11-12-qovurgalar ham kokrak suyagi bilan boglanmagan. Ular boshqa qovurgalar bilan boglanmagan ular erkindir. Har bir qovurga bosh boyin va tanadan iborat. Tos suyagi tomonidan magistiral bilan u tos suyagi bilan markazdan boglangan . Yuqori ekstrementi qol , bilak bilan boglangan. U yelka Kamari bilan murtoz boglangan . Yani birikkan skelet suyaklari bogimlar yoki ligmentlar orqali bir-biriga boglangan suyaklar organik va noorganik moddalardan iborat.
New words!
Ribs - qovirgalar
Brlastbone - kokrak suyagi
Spire - umurtqa suyagi
Thorax - kokrak qafasi
Carnilage - togay
Pairs – juft
Colemn - ustun
Chest - kokrak qovurgasi
Connected - ulangan
Chest - kokrak suyagi
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