Understanding the Muscular System

Which of the following is NOT a type of muscle found in the human body?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Rough muscle

What is the primary function of skeletal muscles?

• Pumping blood throughout the body

• Facilitating movement by contracting and relaxing

• Digesting food

• Producing hormones

Which type of muscle is responsible for involuntary movements, such as those in the digestive system?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Voluntary muscle

Where is cardiac muscle primarily found?

• In the arms and legs

• In the heart

• In the stomach

• In the brain

Which of the following is a major muscle group in the human body?

• Biceps

• Femur

• Tibia

• Radius

What is the role of the quadriceps muscle group?

• To flex the arm

• To extend the knee

• To rotate the wrist

• To bend the elbow

Which muscle group is located at the back of the thigh?

• Hamstrings

• Triceps

• Deltoids

• Abdominals

What is a common injury that affects muscles?

• Fracture

• Strain

• Concussion

• Laceration

Which of the following is a symptom of a muscle strain?

• Swelling and bruising

• Blurred vision

• Nausea

• Fever

How can you help prevent muscle injuries during physical activity?

• By skipping warm-ups

• By staying hydrated and stretching

• By lifting weights that are too heavy

• By avoiding rest days