Circulatory & Respiratory System Review

Front

The lubb-dubb sounds of the heart are the result of ___________.

Back

heart valves closing

Front

What is known as the voice box?

Back

larynx

Front

What is the dome shaped sheet of muscle below the lungs that separates the thoracic cavity from the abdomen and is used to help us breathe?

Back

diaphragm

Front

These move microbes and debris up and out of the airways __________.

Back

Cilia

Front

What is a normal blood pressure reading?

Back

120/80 mmHg

Front

What is the primary function of the circulatory system?

Back

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

Front

What is the role of red blood cells?

Back

To carry oxygen from the lungs to the body's tissues and return carbon dioxide to the lungs.

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 main purpose of the diaphragm during breathing?

Back

To contract and expand the thoracic cavity, allowing air to flow in and out of the lungs.

Front

What is the function of the trachea?

Back

To provide a clear airway for air to enter and exit the lungs.