Chapter 5: Problem 1
When bacteria are destroyed by leukocytes, pyrogens are released into the blood. Pyrogens reset the body's thermostat to a higher temper ature, resulting in fever. How might pyrogens cause the body temper ature to rise?
Chapter 5: Problem 1
When bacteria are destroyed by leukocytes, pyrogens are released into the blood. Pyrogens reset the body's thermostat to a higher temper ature, resulting in fever. How might pyrogens cause the body temper ature to rise?
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Get started for freeWhat is the role of the accessory org ans in digestion?
Figure 5.5 Which of the following statements about the digestive sy stem is false? a. Chyme is a mixture of food and digestive juices that is produced in the stom a b. Food enters the large intestine before the small intestine. c. In the small intestine, chyme mixes with bile, which emulsifies fats. d. The stomach is separated from the small intestine by the pyloric sphincter.
Where does the majority of fat digestion take place? a. mouth b. stomach c. sm all intestine d. large intestine
Describe how the body's mechanisms maintain homeostasis?
When faced with a sudden drop in environmental temperature, an endothermic animal will _____. a. experience a drop in its body temper ature b. wait to see if it goes lower c. increase muscle activity to generate heat d. add fur or fat to increase insulation
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