True or False
We have two lungs
TRUE
What is the first step of the respiratory system?
We breathe air through our nose or mouth
We can only breathe through our nose
FALSE. We use our nose AND mouth
Which part of the body do you breathe from?
Mouth and nose
What is the second step of the respiratory system?
The air goes to our lungs
The heart only pumps blood to our arms
FALSE. The heart pumps blood everywhere in our body!!
What is the third step of the respiratory system?
The oxygen goes to the heart
There is oxygen in our blood
TRUE
What expands and fills with air in our body?
Lungs
What is the fourth step of the respiratory system?
The heart pumps blood with oxygen around the body
The heart is NOT apart of the respiratory system
FALSE. The heart pumps blood with oxygen throughout the body
What is oxygen?
Oxygen is in the air that we breathe.