Chapter 17-Cardiovascular Flashcards
What does the cardiovascular system consist of?
the heart, blood, and blood vessels
Define the heart.
This muscular organ is a pump that contracts rhythmically to deliver blood to the body.
The heart consists of two pumps that propel blood to two different __________.
circuits.
Where is the heart located in the body?
It is situated in the chest slightly to the left side in a subdivision of the thoracic cavity which is called the mediastinum.
Describe the relationship between the heart and the mediastinum.
The mediastinum is located between the two lungs and houses the hearts great blood vessels, trachea, and esophagus. The heart itself is located within a sub cavity of the mediastinum.
What is the name of the sub cavity of the mediastinum where the heart is found?
Pericardial Cavity.
