STD 11 - 5. Morphology flowering plants — BIOLOGY STD 11 Science — Question

$I.$ Stretch receptors on the wall of urinary bladder send signal to the $CNS$

$II.$ The bladder fills with urine and becomes distended

$III.$ Micturition

$IV.$ $CNS$ passes on motor messenger to initiate the contraction smooth muscles of bladder and simultaneous relaxation of urethral sphincter

The correct order of steps for urination is

$(1)$ On and average a healthy human breaths ...$X$....times/minutes

$(2)$ Every $100\, ml$ of oxygenated blood can deliver around ....$Y$.... of $O_2$ of the tissues under normal physiological conditions.

$X-Y$

$I.$ Blood vessel leading to the glomerulus is called efferent arteriole

$II.$ Vasa-recta, peritubular capillaries and glomerulus, all have blood

$III.$ Cortical nephrons have highly reduced vasa-recta

$IV.$ Vasa-recta runs parallel to the Henle's loop in the juxta-medullary nephron