What is the antioxidant enzyme system that functions by removing hydrogen peroxide from the body by converting it into water and oxygen?
A) superoxide dismutase
B) catalase
C) glutathione peroxidase
D) microsomal enzyme-oxidizing system
Answer: B) catalase
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Regular aerobic workouts gradually improve heart and lung function that causes ________ for more efficient oxygen delivery.
a. resting heart rate to increase b. cardiac output to increase c. blood pressure to increase d. stroke volume to decrease e. anaerobic capacity to increase
Menaquinone is a form of vitamin B
Indicate whether the statement is true or false
A normal pregnancy requires supplementation of:
a. iron b. vitamin C, calcium, iron c. iron and folic acid d. calcium and zinc
Discuss the changes in thirst as people age. What have researchers found when studying older versus younger men and what is the mechanism behind this change?