About 75% of the minerals in the body are in bones and teeth as calcium and
phosphorus, and homeostatic mechanisms regulate their concentrations.
Indicate whether the statement is true or false
TRUE
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What is the action of the subclavius?
A) elevates the scapula B) depresses the shoulder C) protracts the shoulder D) depresses and protracts the shoulder E) adducts the scapula
Using the biceps brachii to flex the forearm requires innervation by the ________ nerve.
A. ulnar B. musculocutaneous C. radial D. median E. axillary
All of the following chemical messengers may be listed in multiple functional classes except ________.
A. eicosanoids B. prostaglandins C. acetylcholine D. epinephrine
Half of the fibers of each optic nerve decussate at the ________
A) lateral geniculate nucleus of the thalamus B) optic foramen C) optic chiasm D) superior colliculus E) midbrain