Summary
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- Institution
- OCR
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Add to cartSome examples from this set of practice questions
1.
Where is cartilage located?
Answer: It is found in the trachea in C shaped rings and in the bronchi in irregular blocks
2.
What is the function of cartilage?
Answer: It keeps the airway open in conditions of low pressure and stops it from collapsing
3.
What do ciliated epithelial cells do?
Answer: They transport mucus secreted by the goblet cells up the trachea to be swallowed allowing bacteria, pollen and dust to be destroyed
4.
What is the tidal volume?
Answer: The amount of air moved in and out of the lungs when resting
5.
Why do multi-cellular organisms need specialised surfaces for gas exchange?
Answer: Multi-cellular organisms have a small surface area to volume ratio so need specialised surfaces for efficient exchange to keep cells alive with an excellent rate of diffusion
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