Cov Khoom Noj Uas Muaj Hlau Ntau
Cov Khoom Noj Muaj Hlau Ntau Hlau yog ib qho mineral tseem ceeb uas lub cev xav tau rau ntau yam haujlwm tseem ceeb, tshwj xeeb tshaj yog kev tsim cov hemoglobin - ib qho protein hauv cov qe ntshav liab uas yog lub luag haujlwm thauj cov pa oxygen thoob plaws lub cev. Kev tsis txaus hlau tuaj yeem ua rau muaj ntshav tsis txaus, ib qho mob uas ua rau qaug zog, tsis muaj zog, kiv taub hau, nyuaj rau tsom ntsoov, thiab zoo li dawb paug. … Nyeem ntxiv