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The diagrams given below show the cross-...

The diagrams given below show the cross-section of two kinds of blood vessels :

When are the sounds "LUBB" and "DUP produced during a heartbeat?

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LUBB sound is produced when ventricles contract and atrio-ventricular valves get closed at the beginning of ventricular systole. "DUPP" sound is produced by the closure of semilunar valves at the beginning of ventricular diastole.
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The diagrams given below show the cross-section of two kinds of blood vessels : Name the parts numbered 1 and 2

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ICSE-SAMPLE PAPER 2012-SECTION-II
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  2. A homozygous plant having round (R) and yellow (Y) seed is crossed wit...

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  3. A homozygous plant having round (R) and yellow (Y) seed is crossed wit...

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  4. A homozygous plant having round (R) and yellow (Y) seed is crossed wit...

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  5. A homozygous plant having round (R) and yellow (Y) seed is crossed wit...

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  6. The diagram given below is an experiment conducted to study a factor n...

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  7. The diagram given below is an experiment conducted to study a factor n...

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  8. The diagram given below is an experiment conducted to study a factor n...

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  9. The diagram given below is an experiment conducted to study a factor n...

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  10. The diagram given below is an experiment conducted to study a factor n...

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  11. The diagrams given below show the cross-section of two kinds of blood ...

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  12. The diagrams given below show the cross-section of two kinds of blood ...

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  13. The diagrams given below show the cross-section of two kinds of blood ...

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  14. The diagrams given below show the cross-section of two kinds of blood ...

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