At a PO2 of 70 mm Hg and normal temperature and pH, hemoglobin is ________ percent saturated with oxygen
A) 10
B) 25
C) 50
D) 75
E) more than 90
E
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The human organ system where the primary hormone is testosterone is the ________ reproductive system.
Fill in the blank(s) with the appropriate word(s).
The concentration of calcium ions in extracellular fluid is regulated primarily by
a hormone secreted by the _____ glands. Fill in the blank(s) with correct word
Which statement is false regarding the hyoid bone?
A. A fractured hyoid bone can be an indication of strangulation. B. The hyoid bone is not attached to another bone. C. The hyoid bone is attached to the mandible. D. The hyoid bone forms the angle between the chin and neck.
What part of the body does the rectus abdominis move?
a. head and neck b. upper extremities c. trunk of the body d. lower extremities