Answer:
One muscle flexes while the other extends
Explanation:
Answer:
not necessarily
Explanation:
through life things change and especially as you get older you might have to work harder to stay healthy. If you have a health condition then you might have to make changes stay healthy with the condition
Answer:
Cardio Fitness: Swimming, Running, Riding a bike, Jump-rope, Dancing, Riding a bike, Doing a variety of activities
Muscle strength: Jump-rope, Biking, Running
Muscle Endurance: Squats, Push-Ups, Jump-rope, Bicep curls with dimbbells,
Flexibility: Touching your toes, Sit-ups, Yoga, Doing a variety of activities
The correct answer is puberty.
hope this helps
