Cardiovascular and Respiratory Systems

Which part of the heart is responsible for pumping oxygenated blood to the rest of the body?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

Which of the following structures is primarily responsible for the exchange of gases in the respiratory system?

• Trachea

• Alveoli

• Bronchi

• Larynx

What is the main function of the cardiovascular system?

• To produce hormones

• To transport oxygen and nutrients to cells

• To digest food

• To protect against pathogens

Which component of blood is primarily responsible for transporting oxygen?

• White blood cells

• Platelets

• Red blood cells

• Plasma

What is the role of the diaphragm in the respiratory system?

• To filter air entering the lungs

• To pump blood through the body

• To contract and relax, aiding in breathing

• To produce sound

Which of the following best describes the function of capillaries in the cardiovascular system?

• They carry blood away from the heart

• They connect arteries and veins and facilitate exchange of substances

• They store blood

• They regulate blood pressure

What is the primary waste product removed by the respiratory system?

• Oxygen

• Carbon dioxide

• Nitrogen

• Glucose

How does the respiratory system help in maintaining the pH balance of the blood?

• By increasing the heart rate

• By removing carbon dioxide

• By producing red blood cells

• By filtering toxins

Tags

NGSS.HS-LS1-3

Which of the following is a function of the respiratory system?

• To produce insulin

• To regulate body temperature

• To facilitate gas exchange

• To store calcium

What is the primary function of the valves in the heart?

• To initiate electrical impulses

• To prevent backflow of blood

• To produce blood cells

• To filter blood