Chapter 11 Lecture: Cardiovascular System Flashcards
What are the functions of the cardiovascular system?
The functions include:
* Transporting oxygen and nutrients to tissues
* Removing waste products from metabolism
* Regulating body temperature
* Maintaining fluid balance
* Protecting against disease
What is the anatomy of the heart?
The heart consists of:
* Four chambers (two atria and two ventricles)
* Valves (tricuspid, pulmonary, mitral, and aortic)
* Major blood vessels (aorta, vena cava, pulmonary arteries, and veins)
What are the types of blood vessels?
The types include:
* Arteries
* Veins
* Capillaries
How is the heart beat regulated?
The heart beat is regulated by:
* The sinoatrial (SA) node
* The atrioventricular (AV) node
* The autonomic nervous system
What is blood pressure?
Blood pressure is the force exerted by circulating blood on the walls of blood vessels.
What are common cardiovascular diseases?
Common cardiovascular diseases include:
* Coronary artery disease
* Heart attack
* Stroke
* Hypertension
* Heart failure
How might you prevent cardiovascular diseases?
Prevention strategies include:
* Regular exercise
* Healthy diet
* Avoiding tobacco use
* Managing stress
* Regular health screenings
Fill in the blank: The four chambers of the heart are the _______.
[atria and ventricles]
True or False: The aorta is the largest artery in the body.
True
Fill in the blank: The _______ node is known as the heart’s natural pacemaker.
[sinoatrial]
