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Respiratory System (Parts (Intercostal muscles (Draw air in), alvioli…
Respiratory System
Parts
Diaphram
lungs
Intercostal muscles
Draw air in
alvioli
Gaseous
Oxygen into the blood
CO2 out of blood to air
Trachea
tube like passage let air travel towards lungs
bronchi
Bronchioles
Defentions
Tidal volume
Amount of air you breath in or out in each breath
Respiratory rate
number of breaths you take in 1 minute
VO2
Amount of oxygen your body is capable of utilising in 1 min
Indicator of CV fitness
Vital capacity
Maximum amount of air you can breathe out after forced inhilation
Minute Ventilation
Volume of air breathed in or out in 1 min.
Tidal volume X respiratory rate
Long term effects
increase oxygen to blood stream
vital capacity increase
muscles around chest stronger
increase oxygen supply
Short term effects
Breath deeper +larger volume of air
oxygen dept
anaerobic respiration
Functions
oxygen into the body to working muscles
CO2 out of the body
Breathing
inhale
1) intercostle muscles contract
2) ribs expand to increase volume of chest
3) air drawn in
Exhale
1) muscles and diaphram relax
2) decrease volume
3)increase pressure
4) force air out.