Your optometrist shines a light in your eye and notices your pupil constricts (becomes smaller) in response to the light. She tells you the iris (the colored part of the eye) is a muscle that adjusts the size of the pupil automatically in response to the amount of light entering the eye. Based on this information, which type of muscle do you think forms the iris?
a. skeletal
b. cardiac
c. smooth
d. visual
c. smooth
Anatomy & Physiology
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The gastroenterologist has just determined that you have a blockage in your jejunum and he will have to perform surgery, making a small incision in the wall to remove the obstruction. What tunic will be cut first?
A. Submucosa B. Adventitia C. Tunica muscularis D. Serosa E. Mucosa
Anatomy & Physiology
Chondrocytes occupy spaces in the matrix called _________
Fill in the blank with correct word.
Anatomy & Physiology
____________________ chemicals are used in dehorning procedures, which burn the tissue to prevent horn bud growth
Fill in the blank(s) with correct word
Anatomy & Physiology
Heat is continuously lost in expired air as a result of the air being __________ during its passage through the respiratory system
Fill in the blank(s) with correct word
Anatomy & Physiology