In many of the elderly, leukocytes appear to be
A. increased in number and more efficient.
B. decreased in number but more efficient.
C. increased in number but more efficient.
D. decreased in number and less efficient.
Answer: D
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The ________ is the region of the oral cavity between the gums and the cheeks or lips.
Fill in the blank(s) with the appropriate word(s).
On average, how many lysosomes do cells contain?
a. about 10 b. about 50 c. about 100 d. about 300 e. about 1,000
Information about pain and temperature is conveyed to the brain by way of the
A. fasciculus gracilis. B. posterior funiculus-medial lemniscal pathway. C. anterolateral pathway. D. tectospinal tract. E. spinocerebellar pathway.
Memory consolidation probably occurs via an increase in the effectiveness of existing synapses and also via formation of new ones
Indicate whether the statement is true or false.