Physical Activity and Fitness

What is the primary function of skeletal muscles in the human body?

• Digestion

• Voluntary movement

• Pumping blood

• Heat production

Which type of muscle is found only in the heart?

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

• Voluntary muscle

• 204 beats per minute

• 206 beats per minute

• 202 beats per minute

• 210 beats per minute

What percentage of the maximum heart rate is recommended for moderate exercise intensity?

• 30% to 50%

• 50% to 70%

• 70% to 85%

• 85% to 100%

Explain how muscles work to create movement in the body.

• Muscles expand and push bones.

• Muscles contract and pull on bones.

• Muscles relax and push on bones.

• Muscles contract and push on bones.

Describe the relationship between exercise intensity and heart rate.

• Higher exercise intensity leads to a lower heart rate.

• Higher exercise intensity leads to a higher heart rate.

• Exercise intensity does not affect heart rate.

• Lower exercise intensity leads to a higher heart rate.

How does regular exercise benefit the muscular system?

• Weakens muscles

• Increases muscle fatigue

• Strengthens muscles and improves flexibility

• Decreases muscle mass

What is the formula to calculate the estimated maximum heart rate?

What is the primary muscle group targeted by squats?

• Biceps

• Quadriceps

• Triceps

• Deltoids

Tags

DOK Level 1: Recall

Mason is looking to build his chest muscles at the gym. Which exercise should he focus on to primarily strengthen his pectoral muscles?

• Deadlift

• Bench Press

• Squat

• Pull-up

Tags

DOK Level 1: Recall