Untitled Flashcards Set

The cardiovascular system is composed of the __________ and an extensive network of blood vessels.

heart

The primary function of the cardiovascular system is to deliver __________, nutrients, and other substances to body cells.

oxygen

The cardiovascular system is closely linked with the __________ system, which relies on the heart's pumping action.

lymphatic

The heart is located in the mediastinum, between the __________.

lungs

The heart has four chambers: right atrium, left atrium, right __________, and left ventricle.

ventricle

The walls of the heart consist of three layers: endocardium, __________, and pericardium.

myocardium

The __________ is the fibrous sac that encloses the heart.

pericardium

Pulmonary circulation transports __________ blood from the right ventricle to the lungs.

deoxygenated

Systemic circulation carries __________ blood from the left ventricle to the body.

oxygen-rich

The superior vena cava brings blood from the __________ body to the heart.

upper

The inferior vena cava carries blood from the __________ body to the heart.

lower

Pulmonary arteries and veins handle blood flow between the heart and __________.

lungs

The __________ distributes oxygen-rich blood throughout the body.

aorta

The SA Node is known as the heart's __________.

pacemaker

The AV Node transmits electrical signals to the __________.

ventricles

The components that facilitate the contraction of ventricles include Bundle of His, Bundle Branches, and __________ Fibers.

Purkinje

The contraction phase of the cardiac cycle is called __________.

systole

The relaxation phase of the cardiac cycle is called __________.

diastole

Arrhythmias are characterized by __________ heartbeats.

irregular

Atherosclerosis involves plaque buildup in __________, restricting blood flow.

arteries

Arteriosclerosis refers to the hardening and loss of elasticity of __________.

arteries

Myocardial infarction is popularly known as a __________.

heart attack

Cardiomegaly is described as an __________ heart due to high blood pressure.

enlarged

An aneurysm is an abnormal __________ of blood vessels, risking rupture.

dilation

Varicose veins occur when damaged __________ cause blood to pool in veins.

valves

Electrocardiography (ECG/EKG) measures the __________ activity of the heart.

electrical

Cardiac __________ is used to diagnose and treat heart conditions.

catheterization

To maintain cardiovascular health, it is essential to have a balanced diet and regular __________.

exercise

Managing risk factors like high blood pressure and __________ is crucial for cardiovascular health.

cholesterol

Early detection and treatment of cardiovascular issues can prevent complications like __________ and strokes.

heart attacks