select the correct answer. which component of exercise primarily strengthens your heart? a. flexibility b…

select the correct answer. which component of exercise primarily strengthens your heart? a. flexibility b. strength training c. cardio d. resistance training

select the correct answer. which component of exercise primarily strengthens your heart? a. flexibility b. strength training c. cardio d. resistance training

Answer

Brief Explanations:

  • Flexibility (A): Focuses on improving range of motion in joints, not heart strength.
  • Strength training (B): Builds muscle strength, not the primary focus for heart strengthening.
  • Cardio (C): Increases heart rate, makes the heart pump more efficiently, and strengthens it over time.
  • Resistance training (D): Similar to strength training, mainly for muscle, not heart.

Answer:

C. cardio