The Marvelous Human Body Systems Quiz

What is the main function of the respiratory system?

• To pump blood throughout the body

• To digest food

• To exchange oxygen and carbon dioxide

• To control body movements

Which organ is responsible for pumping blood throughout the body in the circulatory system?

• Lungs

• Heart

• Stomach

• Brain

What is the primary function of the digestive system?

• To circulate blood

• To move the body

• To break down food into nutrients

• To send signals throughout the body

Which part of the nervous system is known as the control center of the body?

• Heart

• Stomach

• Brain

• Muscles

How many bones are in the adult human body?

• 106

• 206

• 306

• 406

What type of muscle is the heart made of?

• Smooth muscle

• Skeletal muscle

• Cardiac muscle

• Elastic muscle

Which system is responsible for removing carbon dioxide from the body?

• Digestive System

• Circulatory System

• Respiratory System

• Nervous System

What is the role of the small intestine in the digestive system?

• To store undigested food

• To absorb nutrients from digested food

• To pump blood to the digestive organs

• To send signals to the brain about hunger

Which part of the nervous system transmits signals between the brain and the rest of the body?

• Heart

• Spinal cord

• Stomach

• Liver

What is the main function of the skeletal system?

• To digest food

• To pump blood

• To provide support and protect internal organs

• To control body temperature