Rib 7 is a ________ rib.
A. cartilaginous
B. false
C. true
D. floating
E. pelvic
Answer: C
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Of the three regions of the small intestine, the terminal (end) portion is the ________.
Fill in the blank(s) with the appropriate word(s).
Most potassium loss from the body occurs through
A. sweat. B. urine. C. feces. D. respiration.
Veins are said to carry deoxygenated blood. Does this mean that there is no oxygen in venous blood? Explain your answer. Are there veins that carry highly oxygenated blood? Again, explain your answer. What color is most venous blood compared to most arterial blood?
What will be an ideal response?
As the respiratory system ages:
a. the costal cartilages harden b. a condition called “barrel chest” develops c. the strength of inspiratory and expiratory muscles decreases d. all of the above