Question 1

Which organ is responsible for gas exchange in the respiratory system?

Accepted Answer

Lungs

Answer

Pancreas

Answer

Liver

Answer

Stomach

Question 2

Which part of the respiratory system is responsible for exchanging oxygen and carbon dioxide?

Accepted Answer

Alveoli

Answer

Trachea

Answer

Bronchi

Answer

Larynx

Question 3

What is the main function of the circulatory system?

Accepted Answer

Transporting nutrients and oxygen

Answer

Removing waste from the body

Answer

Producing hormones

Answer

Storing excess energy

Question 4

Which of the following is not a component of the respiratory system?

Accepted Answer

Liver

Answer

Trachea

Answer

Nose

Answer

Lungs

Question 5

What is the function of red blood cells in the circulatory system?

Accepted Answer

Transporting oxygen

Answer

Breaking down food particles

Answer

Fighting infections

Answer

Producing antibodies

Question 6

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

Accepted Answer

Pumping blood

Answer

Regulating body temperature

Answer

Filtering waste products

Answer

Producing red blood cells

Question 7

Where does the process of respiration primarily occur in the respiratory system?

Accepted Answer

Alveoli

Answer

Sinuses

Answer

Bronchi

Answer

Pharynx

Question 8

What is the function of arteries in the circulatory system?

Accepted Answer

Carrying oxygenated blood away from the heart

Answer

Returning deoxygenated blood to the heart

Answer

Exchanging oxygen and carbon dioxide in the lungs

Answer

Filtering waste from the blood

Question 9

What is the function of the epiglottis in the respiratory system?

Accepted Answer

Preventing food and drink from entering the windpipe

Answer

Producing mucus to moisturize the airways

Answer

Exchanging gases in the alveoli

Answer

Filtering and warming inhaled air

Question 10

Which blood vessel carries deoxygenated blood back to the heart in the circulatory system?

Accepted Answer

Veins

Answer

Capillaries

Answer

Arteries

Answer

Venules

Question 11

Which blood component is responsible for clotting in the circulatory system?

Accepted Answer

Platelets

Answer

Red blood cells

Answer

White blood cells

Answer

Plasma

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