Answer: The first one, to keep the blood flowing in only one direction
Genetic disorders are not Diseases
Answer:
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Answer:
C) increase thier calorie intake enough to fuel their workouts.
Explanation:
Energy comes from the intake of calories, and a balance of it is required, especially when one is carrying out vigorous activites and exercises; this prevents occurences of blackouts and faintings due to a lack of energu (lack of calories).