Question

respiratory system
ayudenme gente x,d​

Answer 1

Respuesta:

1. completa las sentencias con las palabras en la caja

The [respiratory system] help us [breathe]

• when we breathe in, we take [oxygen] it our body needs from the air

• When we breathe out, we expect the [carbon dioxide] that our body does not need

• The [respiratory system] is a big muscle that help us breath