Functions of the digestive system include which of the following?
A) warming the body with heat released from the digestive organs as they process food
B) ingestion of foods and liquids
C) processing of food materials and liquids
D) boosting expiratory efficiency by lifting the diaphragm via intestinal gas secretions
E) both ingestion and processing of food materials and liquids
E) both ingestion and processing of food materials and liquids
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Activity and exercise
A) keep joints functional longer. B) make joints more vulnerable to injury. C) hasten osteoarthritis. D) increase joint stiffness.
Glucagon stimulates the liver to form glycogen from glucose.
Answer the following statement true (T) or false (F)
Specialized gap junctions between muscle cells produce
A) actin and myosin filaments. B) dendrites. C) striations. D) fibers. E) intercalated discs.
Patches of fibrocartilage formed in the healing of a fracture are called ________, whereas the bony collar formed around the fracture is called ________.
A. fracture hematoma; hard callus B. granulation tissue; hard callus C. soft callus; hard callus D. fracture hematoma; granulation tissue E. granulation tissue; soft callus