Respiratory and Circulatory Systems Quiz

Which are the organs of the respiratory system?

• Lungs, heart, and blood.

• Rib cage, diaphragm, and lungs.

• Nose, lungs, heart, and diaphragm

• Lungs, throat, and passageways that lead to the lungs

What happens in the diaphragm when we exhale (breathe out)?

• The diaphragm relaxes and moves upwards.

• The diaphragm contracts and moves upwards.

• The diaphragm relaxes and moves downwards.

• The diaphragm contracts and moves downwards.

What will happen if the epiglottis does not close the entrance of airways?

• The larynx will be blocked with food particles.

• The pharynx will have difficulty in swallowing.

• The food particles will block the opening of the trachea and a person will have difficulty in breathing.

• The food particles will block the bronchioles thus making it difficult to breathe in and breathe out.

What important activity takes place in the lungs?

• Food is digested.

• Liquid waste is filtered from the blood.

• The trachea is exchanged for the larynx.

• Oxygen is exchanged for carbon dioxide.

Which is taking place in this figure?

• Exhalation; the rib cage is expanding.

• Exhalation; the diaphragm is relaxing.

• Inhalation; the chest cavity is reduced.

• Inhalation; the diaphragm is contracting.

Which statement is true about the human circulatory system?

• It makes blood cells.

• It transports oxygen and nutrients.

• It breaks down food and releases nutrients.

• It is the first line of defense against bacteria.

Which blood vessel carries blood back to the heart?

• Artery

• Blood vessel

• Capillary

• Vein

Which is NOT a function of the circulatory system?

• Deliver oxygen and nutrients to cells.

• Break down carbohydrates into glucose.

• Transport other materials through body.

• Remove carbon dioxide and wastes from cells.

If a rupture occurs in the pulmonary artery, which passageway is affected?

• The passageway of blood going to aorta.

• The passageway of blood going to lungs.

• The passageway of blood going to vena cava.

• The passageway of blood going to right atrium.

What type of circulation carries oxygenated blood to the body?

• Bodily Circulation

• Coronary Circulation

• Pulmonary Circulation

• Systemic Circulation