Muscular System

What are the three types of muscles in the human body?

• Skeletal, smooth, cardiac

• Voluntary, involuntary, cardiac

• Ligaments, tendons, cartilage

• Biceps, triceps, quadriceps

Which type of muscle is found only in the heart?

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

• Voluntary muscle

What is the function of smooth muscles?

• Assist in voluntary movement

• Help move food through the digestive system

• Pump blood through the body

• Generate ATP energy

How do muscles create movement?

• By stretching and expanding

• By receiving signals from the brain and contracting

• By absorbing oxygen and water

• By working alone without nerve signals

Which muscle group is responsible for arm movement?

• Quadriceps and hamstrings

• Biceps and triceps

• Pectorals and abdominals

• Smooth muscles

What is the main function of ATP in muscles?

• It provides energy for muscle contraction

• It transports oxygen

• It acts as a muscle relaxant

• It connects muscles to bones

How do most muscles work?

• Independently

• In pairs, where one contracts while the other relaxes

• Without signals from the brain

• Only when we are awake

What is one way to keep muscles healthy?

• Avoid physical exercise

• Drink plenty of sugary drinks

• Eat protein-rich foods and exercise

• Sleep all day

What major muscle is located in the chest?

Which of the following is NOT a function of the muscular system?

• Generating heat

• Protecting organs

• Producing hormones

• Supporting organ function