it is the volume of air inspired or expired during normal breathing without any effort. 500ml
what is tidal volume?
what is inspiratory reserve volume?
it is an extra amount of air that can be inspired forcibly after normal inspiration. 2500-3000ml
expiratory reserve volume. explain.
1000ml-1100ml. it is extra amount of air that can be expelled after forcible expiration
residual volume. explain
it is the volume of air that remains in lungs even after forcible expiration. it is the reason why our lungs doesn’t collapse
what is inspiratory capacity?
total volume of air a person can inspire after normal expiration. TV+IRV
TLC-FRC
what is expiratory capacity?
total volume of a person ca expire after normal inspiration. TV+ERV
VC-IRC
functional residual capacity
volume of air that remains in lungs after normal expiration. ERV+RV
TLC-IC
VITAL CAPACITY. EXPLAIN
max volume of air a person can breathe in after forced expiration. ERV+TV+IRV
OR maximum volume of air a person can breathe out after a forced inspiration
what is total lung capacity?
total volume of air accommodated in lungs at end of a forced inspiration.
RV+ERV+TV+IRV OR
VC+RV
name the disease according to the symptoms:
inflammation of mucous membrane of nasal passage
watery secretion by mucous gland
continuous sneezing and watery eyes
fever
rhinitis
carbon monoxide can kill a person because of its high affinity for
haemoglobin
after a long deep breath we do not respire for some seconds due to?
less co2 in blood
the change from 2 to 3 indicates
change indicates decrease in volume of lung thus increase in pressure of lungs which leads to expulsion of air
label each part
a- systematic vein , b- pulmonary artery
c- pulmonary vein d- systematic artery
how much amount of oxygen and co2 is present in atmospheric air
o2-159mm hg' co2- 0.3 mm hg
amount of o2 and co2 in alveloli--
o2-- 104
co2- 40 which is same as oxygen level of deoxygenated blood and tissue
where co2 level is also 40 for oxygenated blood
amount of deoxygenated blood of co2?
45
amount of o2 in oxygenated blood and
amount of co2 in tissue
95
45
during expiration and inspiration what is shape of diaphragm
expiration-- dome shaped/convex
inspiration-- flatten