cardiorespiratory system

What is the main function of the cardiorespiratory system

• Digestion

• Transport of oxygen and nutrients

• muscle movement

• Waste elimination

Which chamber of the heart pumps oxygen-rich blood to the rest of the body?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

Which blood vessel carries oxygenated blood from the lungs to the heart

• Aorta

• Pulmonary artery

• Pulmonary vein

• Vena cava

During exercise, which physiological change occurs to meet the increased oxygen demands of muscles?

• Decreased heart rate

• increased blood pressure

• Decreased respiratory rate

• Increased heart rate

What is an acute adaptation to exercise?

Which of the following is an example of a chronic adaptation in exercise?

• A temporary increase in heart rate during exercise

• A short term improvement in muscle strength after a single workout

• increased muscle mass after several months of resistance training

• temporary muscle soreness after an intense workout

What side does deoxygenated blood flow into the heart?

Which is the correct order of oxygenated blood circulation in the heart?

• Lungs, left atrium, left ventricle, aorta

• lungs, left ventricle, left atrium, aorta

• aorta, left atrium, left ventricle, lungs

• aorta, left ventricle, left atrium, lungs

What is the primary function of arteries in the circulatory system?

• carry oxygenated blood away from the heart

• carry deoxygenated blood to the heart

• exchange gasses in the lungs

• store excess blood for emergencies

What is the role of valves in the circulatory system?