Question

d Wone of these
are a pair of tube-like structure that connect the kidneys to the
2
urinary bladder.
2
3.
is formed with the combination of haemoglobin and oxygen.
has the series of valves which prevents the back flow of
4
5.
deoxygenated blood.
Fill in the blanks.
Phloem tubes are also known as
The filtration units of kidneys are known as​

Answer 1

Answer:

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