Exploring Human Body Systems

Which system in the human body is responsible for transporting blood throughout the body?

• Digestive System

• Circulatory System

• Respiratory System

• Nervous System

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What is the primary function of the respiratory system?

• To break down food

• To transport nutrients

• To exchange gases

• To protect against pathogens

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Which organ is the main control center of the nervous system?

• Heart

• Liver

• Brain

• Kidney

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What is the basic structural and functional unit of the kidney?

• Neuron

• Alveolus

• Nephron

• Osteon

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Which type of muscle is found in the walls of internal organs such as the stomach and intestines?

• Skeletal Muscle

• Cardiac Muscle

• Smooth Muscle

• Voluntary Muscle

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What is the primary function of red blood cells?

• To fight infections

• To transport oxygen

• To clot blood

• To produce hormones

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Which system in the human body is responsible for producing hormones?

• Digestive System

• Endocrine System

• Respiratory System

• Circulatory System

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What is the main function of the digestive system?

• To transport blood

• To exchange gases

• To break down food and absorb nutrients

• To produce hormones

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Which part of the human body is primarily responsible for filtering and removing waste products from the blood?

• Liver

• Heart

• Lungs

• Kidneys

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What is the role of the skeletal system in the human body?

• To produce hormones

• To transport oxygen

• To provide structure and support

• To exchange gases

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