The increased incidence of cancer in the elderly reflects the fact that
A) immune surveillance increases.
B) tumor cells are eliminated effectively.
C) their diets do not meet nutritional standards.
D) everyone is prone to disease.
E) immune surveillance declines with age.
E) immune surveillance declines with age.
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Which of the following is not found in the epidermis?
A. Melanocytes B. Fibroblasts C. Stem cells D. Keratinocytes E. Tactile cells
If the sinus cavities located within the skull were instead completely filled with bone, the skull would be much heavier.
Answer the following statement true (T) or false (F)
The major abductor of the arm is the ________ muscle.
Fill in the blank(s) with the appropriate word(s).
The bones of the wrist are classified as ________ bones.
A. flat B. long C. irregular D. regular E. short