Chapter 2: Organs and Systems

Which organ is responsible for pumping blood throughout the body?

• Lungs

• Heart

• Stomach

• Brain

What is the main function of the lungs?

• Digest food

• Pump blood

• Exchange oxygen and carbon dioxide

• Filter waste from blood

Which system controls all the activities in your body?

• Digestive system

• Nervous system

• Circulatory system

• Respiratory system

What is the largest organ in the human body?

• Heart

• Skin

• Liver

• Brain

Which organ helps break down food using acid and enzymes?

• Lungs

• Stomach

• Heart

• Kidneys

What is the main function of the circulatory system?

• To help you breathe

• To move blood and nutrients around the body

• To break down food

• To control movement

Which part of the respiratory system is also known as the windpipe?

• Esophagus

• Trachea

• Bronchi

• Diaphragm

What is the main function of the kidneys?

• Pump blood

• Remove waste from the blood

• Help you breathe

• Control movement

Which organ is responsible for controlling thoughts, memory, and movement?

• Heart

• Brain

• Liver

• Lungs

What is the first part of the digestive system where food enters?

• Stomach

• Mouth

• Esophagus

• Small intestine