Cardiovascular system Flashcards
What are the main components of the circulatory system?
Heart, blood vessels, and blood
The primary role is to transport blood throughout the body.
What is the primary role of the circulatory system?
To transport blood throughout the body, delivering oxygen and nutrients and removing waste products.
List the main functions of the circulatory system.
- Circulation of blood
- Regulation of blood pressure
- Temperature regulation
- Protection
How does the circulatory system regulate blood pressure?
Maintains stable blood pressure through arterial elasticity and heart contractions.
What role does the circulatory system play in temperature regulation?
Helps regulate body temperature.
What is the function of red blood cells (RBCs)?
Transmit oxygen from the lungs to tissues and carry carbon dioxide back to the lungs.
What is the function of white blood cells (WBCs)?
Part of the immune system, helps fight infections and diseases.
What is the role of platelets in the blood?
Essential for blood clotting and wound healing, help stop bleeding.
What is plasma?
Liquid portion of blood that carries cells, nutrients, hormones, and waste products.
What is the primary function of the heart?
Pumps blood; maintains circulation.
What is the purpose of oxygenation in the heart?
Ensures that blood is oxygenated in the lungs and then delivered to tissues.
How many chambers does the heart have?
Four chambers.
What is the function of the right atrium?
Receives deoxygenated blood from the body.
What does the right ventricle do?
Pumps deoxygenated blood to the lungs.
What is the role of the left atrium?
Receives oxygenated blood from the lungs.
What does the left ventricle do?
Pumps oxygenated blood to the rest of the body.
Where is the tricuspid valve?
Valve between the right atrium and right ventricle.
Where is the pulmonary valve located?
Between the right ventricle and pulmonary arteries.
Where is the mitral valve?
Valve between the left atrium and left ventricle.
Where is the aortic valve?
Valve between the left ventricle and aorta.
Function of Arteries
Distribute oxygen- rich blood
Function of Viens
Return deoxygenated blood to the heart
Function of capilliers
Facilitate nutrient and gas exchange at the celluar level
