Vessels Test Questions and All
Correct Answers 2026 Updated.
the right side of the heart receives ______ blood from _______ - Answer oxygen-poor
tissues
the left side of the heart receives _______ blood from ________ - Answer oxygenated
the lungs
the right side of the heart pumps blood via the _____________; why? - Answer pulmonary
circuit (pumps blood to lungs to get rid of CO2, picks up O2)
the left side of the heart pumps blood via the ________________: why? - Answer systemic
circuit (pumps blood to body tissues to spread O2/nutrients)
the heart is roughly the size of - Answer a fist
the heart weighs - Answer less than one pound
the heart is located - Answer mostly to the left of the midline of the sternum
the base of the heart - Answer top of the heart; leans towards the right shoulder
the apex of the heart - Answer lower tip of the heart; points to left hip
the heart has four ______; two superior _____ and two inferior _____ - Answer chambers
atria
ventricles
what separates the heart's ventricles? - Answer intraventricular septum
, what three veins empty into the right atrium? - Answer superior vena cava, inferior vena
cava, coronary sinus
the right atrium: - Answer receives deoxygenated blood from the body
where does the superior vena cava receive blood from? - Answer body regions above the
diaphragm
where does the inferior vena cava return blood from? - Answer body regions below the
diaphragm
where does the coronary sinus return blood from? - Answer coronary veins
the left atrium: - Answer receives oxygenated blood from the lungs
what four pulmonary veins return blood from the lungs? - Answer left & right pulmonary
veins
the right ventricle: - Answer pumps deoxygenated blood to the lungs through the pulmonary
trunk
the left ventricle: - Answer pumps oxygenated blood into the aorta
ventricles are _____ than atria because they ________ - Answer thicker, pumping the blood
how do heart valves open and close? - Answer pressure changes
what are the two major types of valves? - Answer atrioventricular valves and semilunar
valves
what are the atrioventricular valves? - Answer tricuspid and bicuspid valves
the bicuspid valve is also known as the - Answer mitral valve
where is the tricuspid valve found? - Answer between right atrium and right ventricle