Human Body Systems Quiz

Which part of the body holds the brain?

• Head

• Trunk

• Legs

• Arms

Which organ system produces blood cells in the bone marrow?

• Digestive system

• Skeletal system

• Cardiovascular/circulatory system

• Muscular system

What is the main goal of the circulatory system?

• Control body temperature

• Produce blood cells

• Remove waste from the body

• Deliver nutrients to the body

Which system provides oxygen to the muscles?

• Respiratory system

• Circulatory system

• Nervous system

• Digestive system

What is the main function of the nervous system?

• Break down waste

• Transport oxygen

• Control body movements

• Digest food

Which step in the digestive system involves enzymes from saliva breaking down food?

• Small intestine

• Chewing

• Swallowing

• Stomach

How many bones are there in the adult human body?

• 300

• 500

• 206

• 400

What is the largest organ system in the human body?

• Skeletal system

• Muscular system

• Digestive system

• Cardiovascular/circulatory system

Which system helps the body think, learn, move, and behave?

• Nervous system

• Respiratory system

• Muscular system

• Skeletal system

Which system breaks down food for vitamins, minerals, nutrients, and energy?

• Respiratory system

• Muscular system

• Skeletal system

• Digestive system