The structure that connects the kidney to the urinary bladder is the:
A. Ureter
B. Urethra
C. Renal pelvis
D. Nephron
Answer: Option A
Solution (By JKSSB Mock Tests)
The ureter is a muscular tube that carries urine from the renal pelvis of each kidney to the urinary bladder by peristalsis. The urethra carries urine from the bladder to the exterior. Renal pelvis collects urine from calyces, nephron is the functional unit.
Explanation:
Acetylcholinesterase degrades acetylcholine into acetate and choline, terminating the synaptic signal. Choline acetyltransferase synthesizes ACh, MAO and COMT degrade monoamines.
Explanation:
Ciliated pseudostratified columnar epithelium (with goblet cells) lines the trachea and bronchi; the cilia beat in coordinated waves to move mucus and trapped particles out of the airways. Squamous epithelium is flat (alveoli), cuboidal in kidney tubules, transitional in urinary bladder.
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