TEACHER JOANA SÁNCHEZ ELGARBAY
C.E.I.P. PINTOR EDUARDO MORILLAS. MELILLA. Cuarto C y D. Literacy,Natural, Social and Art. 2019/20
martes, 12 de marzo de 2019
Natural.Respiratory System
It is made up of :
2 nostrils.(2 holes in your nose)
1 windpipe( a long tube)
2 bronchi (2 short tubes)
2 lungs.( 2 sacks protected by ribs)
We breathe in O2.
We breathe out CO2.
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