Circulatory and Respiratory Systems Quiz

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

• To produce blood

• To filter blood

• To pump blood throughout the body

• To store blood

What is the primary role of red blood cells?

• To fight infections

• To clot blood

• To carry oxygen to the body's cells

• To remove waste from the body

Where does gas exchange occur in the lungs?

• Trachea

• Bronchi

• Alveoli

• Diaphragm

Which type of blood vessel carries blood away from the heart?

• Veins

• Capillaries

• Arteries

• Venules

Which organ is NOT part of the respiratory system?

• Lungs

• Heart

• Trachea

• Bronchi

How is oxygen transported in the blood?

• Attached to white blood cells

• Dissolved in the plasma

• Attached to hemoglobin in red blood cells

• Inside the platelets

Tags

NGSS.HS-LS1-7

What is the function of capillaries in the circulatory system?

• To pump blood

• To exchange gases and nutrients with tissues

• To carry blood back to the heart

• To filter blood

Which part of the heart receives deoxygenated blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

How does carbon dioxide primarily travel in the blood from the body to the lungs?

• Attached to white blood cells

• Dissolved in the plasma

• Attached to hemoglobin in red blood cells

• Inside the platelets

Tags

NGSS.HS-LS2-5

What is the sequence of air flow into the respiratory system?

• Trachea → Bronchi → Alveoli

• Bronchi → Trachea → Alveoli

• Alveoli → Trachea → Bronchi

• Trachea → Alveoli → Bronchi