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List the respiratory structures in order from largest to smallest:
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
Your lungs have air sacs that come in contact with your blood stream to send oxygen to your cells. These air sacs are called
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
Epiglottis is a flap that covers the ____________ when you swallow food. This prevents choking.
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
The ___________ is a muscle that moves to create a partial vacuum, forcing air into your lungs.
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
Your respiratory system takes in oxygen so your cells can do which chemical reaction?
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
The respiratory system works mostly closely with which system?
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
When carbonic acid (a byproduct of carbon dioxide) builds up in your blood, your brain tells your body to breathe
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
Oxygen crosses into the __________ of the bloodstream at the ______________ of the lungs.
circulatory
faster
trachea
cellular respiration
bronchi, bronchioles, alveoli
alveoli
diaphragm
capillaries; alveoli
Check it!