Circulatory and Respiratory Systems

Front

What is the primary function of the circulatory system?

Back

To transport nutrients, gases, hormones, blood cells, and waste products throughout the body.

Front

What type of blood vessel carries blood away from the heart?

Back

Artery

Front

What is the role of veins in the circulatory system?

Back

To carry deoxygenated blood back to the heart.

Front

What structure prevents food from entering the trachea during swallowing?

Back

Epiglottis

Front

What is the main component of red blood cells that carries oxygen?

Back

Hemoglobin

Front

What type of blood do arteries typically carry?

Back

Oxygenated blood (except for pulmonary arteries).

Front

What are the two main systems involved in gas exchange in the body?

Back

Circulatory and Respiratory systems.

Front

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

Back

To facilitate gas exchange between the air and the blood.

Front

What is the pathway of blood flow through the heart?

Back

Blood flows from the body into the right atrium, then to the right ventricle, to the lungs, back to the left atrium, then to the left ventricle, and out to the body.

Front

What is the difference between oxygenated and deoxygenated blood?

Back

Oxygenated blood contains high levels of oxygen and is bright red, while deoxygenated blood has low oxygen levels and is darker red.