Answer:
A. Stimulant
Explanation:
A stimulant is any drug that excites any bodily function. Cocaine gives the user extreme happiness and energy.
Electrocardiography (EKG) can be measured both noninvasively with electrocardiogram (and it's the most common, totally safe and painless method), as well as invasively with implantable loop recorder (used in extraordinary circumstances).
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).
