Uzi maalum wa kupeana Likes: Comment chochote upate "Like"

kwa watoto na vijana, homoni ambazo huchochea ukuaji huachiliwsa na mwili wanapokuwa wamelala. Homoni hizi husaidia kujenga misuli, na pia kuzitengeneza seli na tishu zilizoharibika. Kulala ni muhimu sana kwa ukuaji wakati wa kubalehe.
 
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