Por favor pásenme estas oraciones a voz pasiva =
1-The heart,blood,and blood vessels form the circulatory system
2-The respiratory system controls breathing
3-the digestive system transform food into nutrients
4-the excretory system filters waste
5-in the alveoli, oxygen replaces carbon dioxide
1-The heart,blood,and blood vessels form the circulatory system
2-The respiratory system controls breathing
3-the digestive system transform food into nutrients
4-the excretory system filters waste
5-in the alveoli, oxygen replaces carbon dioxide
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2. Breathing is controlled by the respiratory system.
3. Food is transformed / turned into nutrients by the dugestive system.
4. Waste are filtered by the excretory system.
5. Carbon dioxide is replaced by oxygen in the alveoli.
Espero q t sirva