Assertion: Major portion of urinary bladder is formed of detrusor muscle.
Reason: Detrusor muscles perforrm the function of expelling a substance.
A. Both Assertion and Reas are true and Reason is the correct explanation of Assertion
B. th Both Assertion and Reason are true, but Reason is nor the cerrect explanation of Assertion
C. Asertion is true, but Reason is false
D. Assertion is false, but Reason is true
