Quiz on Human Body Systems

What is the primary function of the respiratory system?

• To pump blood throughout the body
• To exchange oxygen and carbon dioxide
• To support the body structure
• To enable movement

Which organ is primarily responsible for breathing?

• Heart
• Lungs
• Brain
• Stomach

What is the main purpose of the skeletal system?

• To produce hormones
• To protect internal organs
• To digest food
• To circulate blood

Which part of the skeletal system is responsible for producing blood cells?

• Skull
• Spine
• Bone marrow
• Ribs

What is the main function of the circulatory system?

• To break down food
• To transport nutrients and oxygen
• To provide structure to the body
• To enable movement

Which component of the circulatory system carries oxygen-rich blood?

• Veins
• Arteries
• Capillaries
• Lymph nodes

What is the role of the muscular system?

• To protect the body
• To enable movement
• To circulate blood
• To support the skeletal system

Which type of muscle is found in the heart?

• Skeletal muscle
• Smooth muscle
• Cardiac muscle
• Voluntary muscle

What connects muscles to bones?

• Ligaments
• Tendons
• Cartilage
• Joints

Which system works closely with the respiratory system to provide oxygen to the body?

• Skeletal system
• Circulatory system
• Muscular system
• Nervous system