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Gases are exchanged at surface by d___________.
diffusion
The trachea, bronchi and bronchioles secret this sticky substance that traps microbes and dusts.
mucus
This structures sweep in a coordinated motion to move the mucus up from the lungs, up the trachea to the back of the mouth, where it can be swallowed.(you d not want to name this to your kid)
cilia
This is part of the lungs where gas exchange happens.
alveoli
Inspired air has more __________. Expired air has more ____________
oxygen, carbon dioxide
What do call a lung infections and with thick cough?
bronchitis
What do you call the condition of the lungs where divisions between alveoli are breaking down?
emphysema
the release of energy from the chemical bonds in food molecules such as glucose. This only takes place inside cells.
cellular respiration
Respiration that uses oxygen to release energy from glucose is called _______.
aerobic respiration
Which of the following is required for aerobic respiration?
glucose
