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which 2 tubes do the trachea lead into?
bronchi
Our body needs oxygen to perform_______ and give us ________.
Nutrition and Energy
When your diaphragm_________ air is drawn in our lungs.
contracts
Your body would not be able to breathe without this system? What is it called?
Respiratory System
What is the tub called that air passes through after entering your mouth or nose?
Trachea
What are the tiny air sacs called at the end of the bronchioles?
Alveoli
The tiny tubes inside the lungs that lead air into the air sacs are called the _________________________.
bronchioles
What do we breathe out after oxygen passes through our blood?
Carbon Dioxide
what type of air do we breathe in?
Oxygen
where does air enter our body?
Through our Nose and Mouth
Which organ is below the lungs?
Diaphragm
Why is the left lung smaller than the right lung?
Because it shares space with the heart
What is another way to say breathing?
Respiration
The_____________________ do most of the work when It comes to breathing.
Lungs
How many lungs are part of the respiratory system?
2
Alveoli are covered by tiny blood vessels called
capillaries
