Circulatory System Flashcards
all about Circulatory System
What is the primary function of the circulatory system
The primary function of the circulatory system is to transport blood, nutrients, oxygen, carbon dioxide, hormones, and waste products throughout the body
What are the main components of the circulatory system
The main components of the circulatory system are the heart, blood vessels (arteries, veins, and capillaries), and blood.
What is the role of the heart in the circulatory system
The heart pumps blood throughout the body, supplying oxygen and nutrients to tissues and removing carbon dioxide and other wastes
What are the four chambers of the heart
The four chambers of the heart are the right atrium, right ventricle, left atrium, and left ventricle.
What are the major blood vessels associated with the heart?
The major blood vessels associated with the heart are the aorta, pulmonary arteries, pulmonary veins, and the superior and inferior vena cava
Describe the pathway of blood flow through the heart.
Blood flows from the body into the right atrium, then to the right ventricle, and is pumped to the lungs via the pulmonary arteries. Oxygenated blood returns to the left atrium, then moves to the left ventricle, and is pumped out to the body through the aorta.
What are the valves of the heart, and what is their function?
The valves of the heart include the tricuspid valve, pulmonary valve, mitral (bicuspid) valve, and aortic valve. They prevent the backflow of blood and ensure it flows in one direction through the heart chambers
What are the two main types of circulation in the circulatory system
The two main types of circulation are systemic circulation and pulmonary circulation.
What are the three main types of blood vessels?
The three main types of blood vessels are arteries, veins, and capillaries.
What is the function of arteries
Arteries carry oxygenated blood away from the heart to the tissues, except for the pulmonary arteries, which carry deoxygenated blood to the lungs.
What is the function of veins
Veins carry deoxygenated blood back to the heart from the tissues, except for the pulmonary veins, which carry oxygenated blood from the lungs to the heart
What is the function of capillaries
Capillaries are tiny blood vessels where the exchange of gases, nutrients, and waste products occurs between the blood and tissues
What are the main components of blood
The main components of blood are red blood cells, white blood cells, platelets, and plasma.
What is the function of red blood cells
Red blood cells transport oxygen from the lungs to the body’s tissues and carry carbon dioxide back to the lungs for exhalation
What is the function of white blood cells
White blood cells are part of the immune system and help defend the body against infections and foreign invaders
