revision q: cardio system Flashcards
The apex of the heart points towards..
inferiorly towards the left hip
The heart muscle is known as the..
myocardium
Which blood vessel carries oxygen-rich blood?
pulmonary veins
which chamber is the pump for the systemic circulation?
the left ventricle
What is the “lub” sound of the heart produced by?
the closing of the atrioventricular valves
What is the sequence of the blood flow through the heart?
it goes through the right atrium, tricuspid valve then through the right ventricle
What is the valve between the left atrium and the left ventricle?
the mitral / bicuspid
what is the valve that stops blood flowing back into the right ventricle?
the pulmonary semilunar
What is the blood vessel that transports deoxygenated blood from the heart to the lungs?
the pulmonary arteries
What do veins do?
they carry blood to the heart
What is the most superficial layer of an artery?
the tunica externa
Which blood vessel in the first is used to take a pulse?
the radial artery
Can a pulse be found in a large vein ?
no it can not
Capillaries are only one layer thick, this is the…
tanica intima
The function of the lymphatic system is to..
absorb fats and fat-soluble vitamins from the digestive system and transfer them to the blood
