Human GAS EXCHANGE SYSTEM - A level Biology. Learn the structures, ventilation and gas exchange.
10:58
ANALYSING DATA on LUNG DISEASE: Risk Factors, spirometer trace and correlation. A-level Biology.
7:24
GAS EXCHANGE in TERRESTRIAL INSECTS: tracheal system & how insects reduce water loss.A Level Biology
7:35
L'appareil respiratoire
14:33
A-level- CARDIAC CYCLE. Diastole, atrial systole, ventricular systoles +the pressure +volume changes
26:05
C'est pas sorcier -NOS POUMONS, SOURCES D'INSPIRATION
15:29
Respiratory System 4, Alveoli and gaseous exchange
9:24
GAS EXCHANGE IN FISH & COUNTERCURRENT exchange principle: A-level Biology. Gill filaments & lamella
15:33