Which bone is a part of the appendicular skeleton?
a. scapula
b. vertebra
c. parietal
d. mandible
a. scapula
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Stimulation of b2 receptors in the lung causes
A. bronchoconstriction. B. bronchodilation.
The subcutaneous layer is
A) part of the basement membrane. B) between the epidermis and the dermis. C) not part of the skin. D) made of squamous epithelium.
Cells that break down bone are called
A. chondroblasts. B. osteoclasts. C. fibroblasts. D. osteoblasts. E. osteocytes.
Answer the following statements true (T) or false (F)
1. The buffer system works because weak acids dissociate much less than do strong acids. 2. The end products of both aerobic and anaerobic catabolism of glucose can cause a drop in the blood pH. 3. Carbonic acid is a “fixed acid.” 4. Blood in the pulmonary artery has a higher pH than the blood in the pulmonary vein. 5. The kidneys can produce urine with a pH less than 5.