Which one of the following body parts/organs of the human body does no

Which one of the following body parts/organs of the human body does not have smooth muscles ?

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Ureters

Iris of eye

Bronchi of lungs

Biceps

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Answer is Wrong!

This question was previously asked in

UPSC CDS-2 – 2019

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Smooth muscles are involuntary muscles found in the walls of internal organs and structures like the digestive tract, blood vessels, urinary tract, respiratory tract, uterus, and the iris of the eye. Their contractions are not under conscious control. Biceps brachii is a skeletal muscle located in the upper arm. Skeletal muscles are voluntary muscles that are attached to bones and are responsible for movement of the skeleton; they are characterized by their striated appearance under a microscope.

Smooth muscles are involuntary and found in internal organs; skeletal muscles are voluntary and attached to bones. Biceps are skeletal muscles.

Ureters are tubes that carry urine from the kidneys to the bladder; their walls contain smooth muscle for peristalsis. The iris controls the size of the pupil using smooth muscles (sphincter and dilator). Bronchi are airways in the lungs, and their walls contain smooth muscle that can constrict or relax.

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