Circulatory and Respiratory Review

Front

What part of the respiratory system is responsible for vocal sounds?

Back

Larynx

Front

What are the small air sacs at the ends of the bronchioles called?

Back

Alveoli

Front

What is another name for the bicuspid valve?

Back

Mitral valve

Front

What is atrial systole?

Back

Atrial systole is the contraction of the atria in the heart.

Front

What part of the respiratory system directs food and air?

Back

Pharynx

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 is the role of the diaphragm in respiration?

Back

The diaphragm contracts and flattens to create a vacuum that pulls air into the lungs.

Front

What is the difference between the right and left lungs?

Back

The right lung has three lobes, while the left lung has two lobes to accommodate the heart.

Front

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

Back

Alveoli are responsible for gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled.

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, to the left ventricle, and out to the body.