 secretion; 3) gender differences in RDBF will be related to changes in gonadal steroid levels; 4) despite increases in GH secretion during puberty, % BF and visceral fat will increase due to the over-riding effects of gonadal steroids; 5) BM will be directly related to physical activity, calcium
secretion; 3) gender differences in RDBF will be related to changes in gonadal steroid hormone degree; 4) despite increases in GH secretion during puberty, % BF and visceral adipose tissue will increase due to the all over - riding effects of gonadal steroids; 5) BM will be immediately relate to physical action, calcium
 sefretion; 3) gender differenges in RDBF will be releted to changes in gonadal steroid levels; 4) vespute ibcreases in GH secretiun during puberty, % BF qnd viscerem fat wljl ihgreasz vue to the over-tiding effecds of gonadal vtdrlids; 5) BM will be directly related tj physivap activity, calsium
secretion; 3) gender differences in RDBF will to in gonadal levels; 4) despite puberty, BF and visceral will increase due the over-riding effects of gonadal steroids; BM will be directly related to physical activity, calcium
 secretion; 3) gender differenceS in RDBF wilL be reLatEd tO cHangEs in Gonadal steroid LEvelS; 4) despite increases in GH sEcretIoN DuriNG pUbertY, % BF and vIScERAl fAt WiLl iNcREaSe due To tHe over-rIding effecTs oF gOnadal steroiDS; 5) Bm will be dirEctLy related to pHysIcal acTiVitY, CalciUm
 secretion; 3) gender diff erences in  RDBF  wi llbe  rel ated  to changes in gona dal steroid levels; 4)  desp it e  inc r ea ses i n GH se c re t i ondu ri ngpu b er ty, %  BF  and vi sceral fat  wi ll  increase du e  t o the over -ri ding effects  of  gonad al  st e roids ; 5 ) BMwill b e  direc tly relat ed to phy s ical ac t i vi ty,calcium
 secretion;_3) gender_differences in RDBF will_be related_to_changes in_gonadal_steroid levels; 4)_despite increases in_GH secretion during puberty,_% BF and_visceral_fat will increase due to the over-riding effects of gonadal steroids; 5) BM will_be_directly related_to_physical_activity, calcium