Circulatory Flashcards
(28 cards)
Front
Back
What are the four chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle
Which side of the heart pumps oxygenated blood to the body?
Left side
Which side of the heart receives deoxygenated blood from the body?
Right side
What is the function of valves in the heart?
To prevent backflow of blood
Trace the path of blood through the heart starting from the body.
Body → vena cava → right atrium → right ventricle → pulmonary artery → lungs → pulmonary vein → left atrium → left ventricle → aorta → body
What is the function of pulmonary arteries?
Carry deoxygenated blood from the heart to the lungs
What is the function of pulmonary veins?
Carry oxygenated blood from the lungs to the heart
What is the main function of red blood cells?
To carry oxygen using hemoglobin
What is the main function of white blood cells?
Immune defense (fight infections)
What is the function of platelets?
Help with blood clotting
What is plasma made mostly of?
Water
What happens in the capillaries of the lungs?
Oxygen is absorbed, carbon dioxide is released
What is the name of the molecule that carries oxygen in the blood?
Hemoglobin
What forms when oxygen binds to hemoglobin?
Oxyhemoglobin
What is the natural pacemaker of the heart?
SA node (sinoatrial node)
What does the AV node do?
Delays and transmits the signal to the ventricles
What do arteries do?
Carry blood away from the heart
What do veins do?
Carry blood toward the heart
What is the function of capillaries?
Exchange gases, nutrients, and wastes
What blood type is the universal donor?
O negative
What blood type is the universal recipient?
AB positive
What antigen(s) does type A blood have?
A antigens
What antibodies does type O blood have?
Anti-A and Anti-B
