Continuous capillaries
A. have many thin areas called fenestrae.
B. are freely permeable to large molecules such as hormones.
C. have a wall where the endothelial cells fit very tightly together.
D. are more permeable then fenestrated capillaries but not as permeable as sinusoidal capillaries.
E. are characterized by continuous pores.
C
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Which of the following does not occur with aging of the urinary system?
A. Decreased GFR B. Fibrous connective tissue accumulates around the kidney capsule C. Nephrons invert D. Renal tubules become encased in fat
Osteoblasts
a. secrete the organic matrix components of bone. b. become osteocytes once they become entrapped in the bone that they form. c. dissolve bone. d. form cartilage. e. both (a) and (b) above.
The fact that people are NOT subject to the same diseases as goldfish describes the presence of __________.
a. innate immunity b. passive immunity c. acquired immunity d. active immunity
An increase in the number of cells is ________.
A. growth B. organization C. differentiation D. reproduction E. metabolism