Exploring the Human Muscular System

How many muscles are there in the human body?

• More than 1000

• Exactly 500

• About 300

• Over 600

What percentage of the human body weight is made up by muscles?

• Around 30%

• Nearly 25%

• Approximately 50%

• About 40%

What is the role of tendons in the muscular system?

• Supply blood to muscles

• Help in digestion

• Connect muscles to bones

• Signal muscles to contract

Which type of muscle can you control voluntarily?

• Cardiac muscle

• Smooth muscle

• Skeletal muscle

• Elastic muscle

Which muscle is known as the largest in the human body?

• Pectoral

• Hamstring

• Biceps

• Gluteus maximus

What is the primary function of skeletal muscles?

• Moving the skeleton

• Digesting food

• Controlling the iris

• Pumping blood

Which muscles are responsible for involuntary actions like digestion?

• Skeletal muscles

• Elastic muscles

• Cardiac muscles

• Smooth muscles

What gives skeletal and cardiac muscles a striated appearance?

• Smooth texture

• Bundled fibers

• Elasticity

• Irregular shape

What type of muscle is found in the walls of the heart?

• Smooth muscle

• Cardiac muscle

• Skeletal muscle

• Fibrous muscle

Which cells control the heartbeat rate?

• Blood cells

• Pacemaker cells

• Nerve cells

• Muscle fibers