LS.5.1.2 Exploring Human Body Systems

Which system in the human body is responsible for moving blood throughout the body and providing oxygen and nutrients to muscles, tissues, and organs?

• Respiratory System

• Circulatory System

• Digestive System

• Nervous System

What is the main function of the respiratory system?

• To break down food into nutrients

• To provide structure and support

• To exchange gases like oxygen and carbon dioxide

• To transmit signals between the brain and body

Which part of the digestive system is responsible for absorbing nutrients from food?

• Mouth

• Stomach

• Intestines

• Esophagus

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

• To pump blood

• To provide structure, support, and protection

• To exchange gases

• To transmit signals

Which system includes the brain, spinal cord, and nerves?

• Muscular System

• Circulatory System

• Nervous System

• Digestive System

What is the main function of the muscular system?

• To provide oxygen to the cells

• To move blood throughout the body

• To allow movement, posture, and balance

• To break down food

Which of the following is a voluntary muscle action?

• Pumping of the heart

• Breathing

• Moving your arms

• Digesting food

What is the primary function of the heart in the circulatory system?

• To digest food

• To pump blood throughout the body

• To exchange gases

• To transmit signals

Which organ is part of the respiratory system and helps in breathing?

• Stomach

• Heart

• Lungs

• Brain

What is the main role of the nervous system?

• To provide nutrients to the body

• To transmit signals between the brain and the rest of the body

• To support and protect organs

• To exchange oxygen and carbon dioxide