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NCERT Exemplar Solutions Class 7 Science Solutions for Transportation in Animals and Plants - Exercise in Chapter 11 - Transportation in Animals and Plants
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The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in –
(a) veins
(b) arteries
(c) heart
(d) capillaries
Answer:
The answer is (d) capillaries
Explanation:
Capillaries are the extremely thin blood vessels where the exchange of substances and absorption of nutrients take place. Their thin walls facilitate the exchange
Video transcript
"hello everyone welcome to little
this is priya and here we have a
question which
we have to do true or false so
we see the first statement jj thompson
proposed that the nucleus of
an atom contains only nucleons
so this statement is completely false
and the second statement a neutron is
formed by an electron and a proton
combining together therefore it is
neutral
so this statement is also
false and see the third statement
the mass of an electron is about 1 by
two thousand
times that of proton
so this statement is true
third statement an isotope of iodine is
used for making
tincture iodine which is used as a
medicine so this statement is
false so this is about the solution of
this question
hope you understand this video if you
like my video please subscribe to our
leader channel and if you have any
doubts
you keep a message in comment box thank
you"
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