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WorksheetsRespiratory System Quiz
Total questions: 14
Worksheet time: 10mins
Internal respiration involves diffusion into the tissues.
True
False
The diaphragm __________ to move _________ during inspiration.
Relaxes, up
Relaxes, down
Contracts, down
Contracts, up
The diaphragm________ to move ________ during expiration.
Relaxes, up
Relaxes, down
Contracts, down
Contracts, up
How do the lungs control blood pH?
They don't!
They regulate oxygen excretion.
They regulate carbon dioxide excretion.
They excrete bicarbonate.
What type of respiration requires oxygen?
Aerobic
Anaerobic
The "windpipe" is known as the
alveoli
oesophagus
trachea
bronchi
The normal oxygen content of inhaled air is approximately
0.04%
21%
79%
100%
Which structure reduces friction to allow for easy breathing?
surfactant
mucus
bronchioles
pleura
Which substance keeps your alveoli from sticking together?
blood
Boyles Law
mucus
surfactant
Where do you find chemoreceptors for the respiratory system
in the aortic artery
in the carotid artery
in the brainstem
in all three locations listed
