Which of the following is true regarding whit | vedclass

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(A) White blood cells $(WBCs)$,also known as leukocytes,are nucleated cells.They exhibit a property called diapedesis,which allows them to squeeze thr

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They can pass through the walls of blood capillaries.

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(A) White blood cells $(WBCs)$,also known as leukocytes,are nucleated cells.They exhibit a property called diapedesis,which allows them to squeeze through the walls of blood capillaries to reach the site of infection or injury.Option $B$ is incorrect because $WBCs$ possess a nucleus.Option $C$ is incorrect because an increase in $WBC$ count (leukocytosis) is often associated with infections or leukemia (blood cancer),not a decrease.Option $D$ is incorrect because $WBCs$ are produced in the bone marrow,although some lymphocytes mature in the thymus.

Column-$I$	Column-$II$
$A$. Polycythemia	$I$. Decrease in number of WBCs
$B$. Erythrocytopenia	$II$. Increase in number of RBCs
$C$. Leukemia	$III$. Decrease in number of RBCs
$D$. Leucopenia	$IV$. Uncontrolled increase in number of WBCs

Which of the following is true regarding white blood cells $(WBCs)$?

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