PAart 1 Flashcards
the process of gas exchange in the lungs between Carbon dioxide and Oxygen involving the alveoli and the pulmonary veins and capillaries
Diffusion
What muscle separates your thorax from your lungs
Your diaphragm
When your diaphragm relaxes you exhale and your lungs do what
contract
When you inhale your diaphragm does what
contracts/flattens
When you inhale your external intercostal muscles cause your chest to
rise
When you exhale your external intercostal muscles cause your chest to
deflate
When inhaling your lung pressure is what compared to the pressure outside your lungs
Lower
When exhaling your lung pressure is what compared to the pressure outside your lungs
Higher
Fluids like gases move from areas of _____ pressure to _____ pressures
areas of high pressure to low pressure
The upper airway system which funnels oxygen and air is called what kind of zone?
The conducting zone
The main function of the nose is?
To warm and moisten Air
What part of your upper airway system covers the larynx?
The epiglottis
What upper body part is directly behind your larynx?
Esophagus
The lungs create what with every breath ____?
Negative pressure
The larynx contains the _____?
Trachea
