Thyroxin and triiodothyronine, hormones necessary for cell metabolism, are produced in the ________ gland.
A. pituitary
B. adrenal
C. thymus
D. thyroid
Answer: D
Anatomy & Physiology
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Which of the following is not a respiratory structure?
A) Bronchi B) Esophagus C) Larynx D) Nose
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Since cartilage must be continuously replaced in the body, appositional and interstitial growth of cartilage continues throughout life
Indicate whether this statement is true or false.
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Cross bridges
a. bind to actin during muscle contraction b. are globular heads made of myosin c. do not bend during muscle contraction d. have characteristics a and b e. have characteristics b and c
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A sarcomere is
A. the distance between Z lines. B. formed from myosin only. C. between the I bands. D. the length of the H zone.
Anatomy & Physiology