Respiratory and Circulatory Systems

What is the primary function of the respiratory system?

• To digest food and absorb nutrients

• To pump blood throughout the body

• To exchange oxygen and carbon dioxide

• To filter waste from the blood

Which of the following is NOT a component of the circulatory system?

• Blood vessels

• Heart

• Alveoli

• Red blood cells

What is homeostasis?

• The process of digestion

• The maintenance of a stable internal environment

• The movement of blood through vessels

• The exchange of gases in the lungs

Tags

NGSS.HS-LS1-3

Where does gas exchange occur in the lungs?

• In the bronchi

• In the trachea

• In the alveoli

• In the larynx

What is the function of red blood cells?

• To fight infection

• To carry oxygen throughout the body

• To form blood clots

• To produce antibodies

Which chamber of the heart pumps oxygenated blood to the body?

• Right ventricle

• Left atrium

• Right atrium

• Left ventricle

What type of feedback loop helps maintain body temperature?

• Positive feedback loop

• Negative feedback loop

• Open feedback loop

• Linear feedback loop

Tags

NGSS.HS-LS1-3

Which blood vessels carry blood away from the heart?

• Veins

• Capillaries

• Arteries

• Venules

What is the primary function of the diaphragm?

• To protect the heart

• To assist in breathing

• To pump blood

• To filter blood

Which of these is a function of the circulatory system?

• Breaking down food

• Filtering air

• Transporting nutrients

• Producing bile