Ọbara

Ọbara bụ mmiri dị n'ahụ n'usoro nrugharị nke ụmụ mmadụ na anụ ndị ọzọ nwere azụ nke na-enye ihe ndị dị mkpa dị ka ihe oriri na Oxygen na mkpụrụ ndụ, ma na-ebugharị Ihe mkpofu metabolic pụọ n'otu mkpụrụ ndụ ahụ.

Ọbara mejupụtara mkpụrụ ndụ kwusiri na blood plasma. Plasma, nke mejupụtara  55% nke ọbara mmịrị, bụ ọtụtụ mmiri (92% site na olu ), ma nwere proteins, glucose, mineral ions, na hormones.Mkpuru ndụ ọbara na acha uhie uhie tụmadi red blood cells (erythrocytes), white blood cells (leukocytes), na(n'ime mammals) platelets (thrombocytes). Mkpụrụ ndụ kacha naa ụba bu mkpụrụ ndụ ọbara uhie .