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18 questions
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
What is the function of capillaries?
to carry oxygen-rich blood to the body
to prevent blood from flowing backward
to exchange gases and other substances between cells and the blood
to connect the heart to every cell in the body
What is the function of the large intestine?
Storage and concentration of bile for digestion
Production of vitamins and prevention of colon cancer
Absorption of excess water and formation of solid waste
Chemical breakdown of food molecules into nutrients
Where does chemical digestion mainly occur?
Small intestine
Large intestine
Stomach
Mouth
What is the function of fats in the body?
Regulating blood pressure and inflammation
Absorption of nutrients and elimination of waste
Energy storage and protection of organs
Building muscles and repairing cells
What are the main macronutrients that cells need for energy?
Carbohydrates and proteins
Vitamins and minerals
Fats and sugars
Fiber and water
What are the two types of fats that should be limited in the diet?
Monounsaturated and polyunsaturated fats
Saturated and trans-fats
Unsaturated and omega-3 fatty acids
Hydrogenated and artificial fats
What is the role of villi in the small intestine?
Store nutrients
Break down toxins
Produce digestive enzymes
Increase surface area for absorption
Which type of fat is considered healthy?
Trans fat
Saturated fat
Cholesterol
Unsaturated fat
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