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What is an organ?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
What is respiration?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
What part of the respiratory exchanges gases with the blood?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
What part of the body cleans the air we breathe?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
What organ is both in the respiratory and digestive system?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
Why do we need oxygen?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
What is a cell?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
How many organs are in the respiratory system?
Smallest unit of living thing
Pharynx
Cilia
Our cells need it to break down food for energy
Made of Tissues
6
The exchange of carbon dioxide out of the body and oxygen into the body
Alveoli
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