G5 Level 7 : Muscular System

What is the main function of the muscular system?

• To store energy for cellular processes.

• The main function of the muscular system is to enable movement.

• To provide structural support to the body.

• To protect internal organs from injury.

How many muscles are there in the human body?

• About 300

• Around 800

• Approximately 1000

• Approximately 600

What connects muscles to bones?

• Tendons

• Cartilage

• Muscle fibers

• Ligaments

What type of muscles can you control?

• Involuntary muscles

• Cardiac muscles

• Smooth muscles

• Skeletal muscles

Give an example of a voluntary muscle.

• smooth muscle

• biceps brachii

• triceps brachii

• heart muscle

What type of muscles work without conscious control?

• Involuntary muscles

• Skeletal muscles

• Cardiac muscles

• Smooth muscles

Name a muscle that is involuntary.

• Bicep muscle

• Smooth muscle

• Skeletal muscle

• Cardiac muscle

What is the role of tendons in the muscular system?

• Tendons are responsible for blood circulation in muscles.

• Tendons connect bones to bones, providing stability.

• Tendons connect muscles to bones, enabling movement.

• Tendons store energy for muscle contraction.

Can muscles push bones? Why or why not?

• Yes, muscles can push bones when contracted.

• Muscles can push bones but only in certain positions.

• No, muscles cannot push bones.

• Muscles can push bones using leverage from joints.

What activities can voluntary muscles help us perform?

• Swimming, flying, and climbing trees.

• Breathing, digesting food, and sleeping.

• Typing on a keyboard, watching TV, and daydreaming.

• Walking, running, lifting objects, and other controlled physical activities.