Athletes should pay close attention to carbohydrate intake ...

[FButt]

Athletes should pay close attention to carbohydrate intake because:
 A) glucose is the primary energy-yielding macronutrient that fuels activities with high energy demands.
  B) glucose enhances physical performance beyond the natural gains obtained through physical training alone.
  C) glucose plays an important role in counteracting the oxidative damage of free radicals.
  D) glucose facilitates blood flow and the subsequent delivery of nutrients and oxygen to muscles.

Question 2

Which of the following is a similarity between iron and calcium?
 A) Both are necessary for delivering oxygen to muscles.
  B) Both are rich in monounsaturated fatty acids.
  C) Both are essential micronutrients for the body.
  D) Both are necessary for counteracting the oxidative damage of free radicals.

[lorealeza]

Answer to Question 1

A

Answer to Question 2

C