Cirkulationssystem Flashcards
(25 cards)
What is the main function of the circulatory system?
The main function of the circulatory system is to transport nutrients, oxygen, and waste products throughout the body.
True or False: The heart is the main organ of the circulatory system.
True
What are the three main components of the circulatory system?
The heart, blood vessels, and blood.
What is the name of the process where blood is pumped from the heart to the rest of the body and back to the heart?
Circulation
What type of blood vessel carries blood away from the heart?
Arteries
What type of blood vessel carries blood back to the heart?
Veins
What is the name of the smallest blood vessels where oxygen and nutrients are exchanged with body tissues?
Capillaries
What is the name of the process where blood is oxygenated in the lungs?
Pulmonary circulation
What is the name of the process where oxygenated blood is distributed throughout the body?
Systemic circulation
What is the name of the fluid that carries nutrients, oxygen, and waste products in the circulatory system?
Blood
What is the average adult human heart rate at rest?
60-100 beats per minute
What is the name of the upper chambers of the heart that receive blood from the body?
Atria
What is the name of the lower chambers of the heart that pump blood out to the body?
Ventricles
What is the name of the largest artery in the body that carries blood away from the heart?
Aorta
What is the term for the force of blood against the walls of the arteries?
Blood pressure
What is the name of the protein in red blood cells that carries oxygen?
Hemoglobin
What is the name of the process where blood clots to prevent excessive bleeding?
Coagulation
What is the name of the valve that prevents the backflow of blood in the heart?
Atrioventricular valve
What is the name of the valve that prevents the backflow of blood in the aorta and pulmonary artery?
Semilunar valve
What is the name of the network of vessels that returns excess fluid from body tissues back to the circulatory system?
Lymphatic system
What is the name of the liquid portion of blood that contains water, salts, and proteins?
Plasma
What is the name of the condition where there is a blockage in the coronary arteries, leading to reduced blood flow to the heart?
Coronary artery disease
What is the term for the volume of blood pumped by the heart per minute?
Cardiac output
What is the name of the hormone that regulates blood pressure and fluid balance in the body?
Aldosterone
