The Human Body Quiz for 5th Graders

What is the process of breaking down food into smaller pieces so the body can use it called?

• Circulation

• Digestion

• Respiration

• Excretion

Which organ is responsible for absorbing nutrients from food?

• Heart

• Lungs

• Stomach

• Small intestine

What is the main function of the respiratory system?

• To digest food

• To circulate blood

• To exchange gases (oxygen and carbon dioxide)

• To move the body

Which part of the circulatory system pumps blood throughout the body?

• Lungs

• Heart

• Veins

• Arteries

What are the bones in the human body collectively called?

• Muscles

• Skeleton

• Organs

• Tissues

Which type of muscle is found in the heart?

• Smooth muscle

• Skeletal muscle

• Cardiac muscle

• Elastic muscle

How many bones are in the adult human body?

• 106

• 206

• 306

• 406

What is the role of the stomach in the digestive system?

• To absorb nutrients

• To pump blood

• To break down food with acids

• To filter blood

Which system is responsible for delivering oxygen to and removing carbon dioxide from all parts of the body?

• Digestive system

• Respiratory system

• Circulatory system

• Nervous system

What is the function of the skeletal system?

• To produce blood cells

• To digest food

• To control body movements

• Both A and C