Chapter 1: Science PT3
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what is the function of human heart?
Collects deoxygenated blood from body organs,then pump it to the lungs to enrich with oxygen.
respiration
the bodily process of inhalation and exhalation
cell respiration
the process whereby digested food such as glucose is oxidized in the cells to obtain energy.
bronkiol
tiub kecil di dalam peparu yang berakhir dengan satu pundi udara yang halus yang disebut alveolus.
tracea
tiub yang disokong oleh gelang rawan berbentuk C. Trakea mencabang kepada dua tiub yang disebut bronkus.
after the air leaves the nasal cavity it enters ?
trachea
why is your heart beat faster when you exercise?
your heart has to pump more blood because your cells need more oxygen during exercise
