Question

human beings why is it necessary?
raste product
Head
filtrate ha
Glucose, aminoacid, Na
wastes are absorbed passively
3. Tubular Secretion : It is oppos
of ionic and acid base balance
substance like H, K. and amm
Lung
nd deoxygenated blood
respectively passes on
s follow:
s and mammals like
human being because
vo halves i.e., one half
ungs and the other half
of the body. Here, the
ixing up due to double
Heart
Lower
body
Fig. : Circulatory pathway
of different vertebrates​

Answer 1

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