NCERT Exemplar Solutions Class 7 Science Solutions for Transportation in Animals and Plants - Exercise in Chapter 11 - Transportation in Animals and Plants

Question 5 Transportation in Animals and Plants - Exercise

The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in –

(a) veins

(b) arteries

(c) heart

(d) capillaries


The answer is (d) capillaries


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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