VOCAB - CARDIOVASCULAR

aorta

The ______ carries oxygen-rich blood from the heart to the rest of the body.

apex of the heart

The doctor listened to the heartbeat at the ______.

arteriole

______ connect arteries to capillaries.

atrioventricular bundle

The ______ carries signals through the heart.

atrioventricular node

The ______ helps control the timing of heartbeats.

atrium

Blood enters the heart through the right and left ______.

capillary

Oxygen and carbon dioxide are exchanged in the ______.

coronary arteries

A blockage in the ______ can cause chest pain.

deoxygenated blood

______ flows into the right side of the heart.

diastole

______ is the phase when the heart relaxes and fills with blood.

electrocardiogram

The doctor checked the ______ to see the heart's rhythm.

endocardium

The ______ lines the inside of the heart chambers.

endothelium

The ______ helps keep blood flowing smoothly.

mitral valve

The ______ controls blood flow between the left atrium and ventricle.

murmur

The doctor heard a heart ______ during the check-up.

myocardium

The ______ is the thick muscle that helps pump blood.

normal sinus rhythm

His ECG showed a ______.

oxygen

The blood delivers ______ to all parts of the body.

sinoatrial node

The ______ acts as the heart’s natural pacemaker.

pericardium

The ______ protects and covers the heart.

pulmonary artery

The ______ carries blood to the lungs.

pulmonary circulation

______ moves blood between the heart and lungs.

pulmonary valve

The ______ opens to allow blood into the pulmonary artery.

pulmonary vein

Oxygen-rich blood returns to the heart through the ______.

pulse

The nurse checked the patient’s ______.

septum

The ______ separates the left and right sides of the heart.

sphygmomanometer

The doctor used a ______ to measure blood pressure.

systemic circulation

______ sends oxygen-rich blood to the whole body.

systole

During ______, the heart contracts to pump blood out.

tricuspid valve

The ______ controls blood flow on the right side of the heart.

valve

______ in the heart keep blood flowing in one direction.

vein

______ carry blood back to the heart.

vena cava

The ______ brings deoxygenated blood from the body to the heart.

ventricle

The left ______ pumps blood to the whole body.

venule

______ connect capillaries to veins.