Flashcards
Gas Exchange in Mammals
Cards in this deck (11)
- 1What is the gaseous exchange system in humans?
- 2What are the features of the gaseous exchange system in mammals?Goblet cells
Cilia
Elastic fibres
Smooth muscle
Cartilage - 3What are the functions of goblet cells?Secretes mucus; this traps microorganisms and dust particles, stopping them from reaching the alveoli
- 4What are the functions of cilia?Hair-like structures that beat the mucus secreted by goblet cells
This moves the mucus upwards away from the alveoli towards the throat, where it is swallowed - 5What are the functions of elastic fibres?Found in the walls of the trachea, bronchi, bronchioles and alveoli
They help the process of breathing out. When breathing in, the fibres are stretched. They then recoil to help push the air out when exhaling - 6What are the functions of smooth muscle?Found in the walls of the trachea, bronchi and bronchioles (except smallest bronchioles)
It allows the diameter to be controlled
During exercise, the muscle relaxes, making tubes wider (less resistance to airflow) - 7What are the functions of cartilage?Rings of cartilage provide support
It is strong but flexible; it stops the trachea and bronchi collapsing when you breathe in and the pressure drops - 8Describe the distribution of the features of the mammalian gas exchange esystem in the trachea
- 9Describe the distribution of the features of the mammalian gas exchange esystem in the bronchus
- 10Describe the distribution of the features of the mammalian gas exchange esystem in the bronchiole
- 11Describe the distribution of the features of the mammalian gas exchange esystem in the alveolus
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- User has deleted their subject information Flashcards on Gas Exchange in Mammals, created by Deleted user on 05/03/2018.
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- Deleted user · Mar 2018
- Updated
- Mar 5, 2018
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- Created by Yinka F · Jan 31, 2018
- Copied by Yinka F · Mar 5, 2018
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