CIRCULATORY SYSTEM

https://www.youtube.com/watch?v=-s5iCoCaofc

https://www.youtube.com/watch?v=oE8tGkP5_tc

/www.youtube.com/watch?v=9_q6o_7CT_U

SING THIS SONG. IT´S GREAT!

https://www.youtube.com/watch?v=t3E-4PLxM_Y



CLICK HERE TO LEARN MORE.
http://www-tc.pbs.org/wnet/redgold/journey/circulation.swf