Nutrition review

What is the main function of the respiratory system?

• Elimination of waste

• Absorption of nutrients

• Digestion of food

• Exchange of gases

What is the purpose of pulmonary circulation?

• to carry oxygen-rich blood away from the heart and bring it to the body

• to carry oxygen-poor blood away from the heart and bring it to the lungs

• to carry oxygen-poor blood from the body and return it to the heart

• to carry oxygen-rich blood from the lungs and return it to the heart

What is the role of red blood cells?

• to defend the body against infection

• to form blood clots

• to carry nutrients to the cells

• to carry oxygen

What is the function of the right side of the heart?

• collects oxygen-rich blood from the lungs and pumps it into the body

• collects oxygen-poor blood from the lungs and pumps it into the body

• collects oxygen-rich blood from the body and pumps it into the lungs

• collects oxygen-poor blood from the body and pumps it into the lungs

What is the function of plasma in the blood?

• to carry oxygen from the lungs to the tissues

• to defend the body against infection

• to act as a fluid part of the blood

• to form blood clots

What is the difference between arteries and veins?

• arteries carry oxygen-poor blood, while veins carry oxygen-rich blood

• arteries have thicker walls, while veins have thinner walls

• arteries have thinner walls, while veins have thicker walls

• arteries carry blood away from the heart, while veins carry blood to the heart

What is the purpose of cellular respiration?

• to use oxygen for energy production

• to release carbon dioxide from the body

• to pump blood through the heart

• to deliver oxygen to the cells of the body

What is the purpose of platelets?

• to carry oxygen

• to carry nutrients to the cells

• to defend the body against infection

• to help in blood clotting

What is the purpose of systemic circulation?

• to carry oxygen-poor blood away from the heart, to the body, and return oxygen-rich blood back to the heart

• to carry oxygen-poor blood from the body and return it to the heart

• to carry oxygen-rich blood from the lungs and return it to the heart

• to carry oxygen-rich blood away from the heart, to the body, and return oxygen-poor blood back to the heart

What is the function of white blood cells?

• to form blood clots

• to defend the body against infection

• to carry nutrients to the cells

• to carry oxygen