Understanding Muscle Growth

Which type of muscle is responsible for pumping blood through the heart?

• Skeletal muscles

• Cardiac muscles

• Voluntary muscles

• Smooth muscles

What happens to muscle fibers during exercise?

• They remain unchanged

• They shrink

• They get stressed and damaged

• They become weaker

What is the result of the body repairing microscopic tears in muscles?

• Muscles become weaker

• Muscles become more flexible

• Muscles grow bigger and stronger

• Muscles lose mass

Why is it important to exercise regularly for muscle health?

• To prevent muscles from shrinking and weakening

• To avoid gaining weight

• To become a bodybuilder

• To improve flexibility

Which activities can help maintain muscle health?

• Eating and drinking

• Sleeping and resting

• Reading and writing

• Walking and biking