1.

The figure given below shows diagrammatic cross-sections of three kinds of blood vessels. (a) Identify the blood vessels A, B and C. (b) Name the parts labelled 1-4. (c) Mention two structural differences between A and B. (d) Name the kinds of blood that flow through A and through B respectively. (e) In which one of the above vessels referred to in (a) above does the exchange of gases actually take place?

Answer»

The figure given below shows diagrammatic cross-sections of three kinds of blood vessels.

(a) Identify the blood vessels A, B and C.
(b) Name the parts labelled 1-4.
(c) Mention two structural differences between A and B.
(d) Name the kinds of blood that flow through A and through B respectively.
(e) In which one of the above vessels referred to in (a) above does the exchange of gases actually take place?



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