Terminology of the Cardiovascular System I

A series of flashcards summarizing key concepts related to the cardiovascular system from the lecture notes.

What is the cardiovascular system responsible for?

It is a transport system for cells in the body, essential for life.

What does 'cardi/o' refer to in medical terminology?

Heart.

What is the function of the heart in the cardiovascular system?

The heart pumps blood throughout the body in a closed loop system.

What is the outer layer of the pericardial sac called?

Fibrous layer.

What are the two main types of chambers in the heart?

Atria and ventricles.

What separates the left and right ventricles of the heart?

Interventricular septum.

What is the purpose of the auricles in the heart?

They allow more blood to be held while the atria pump into the ventricles.

What is the function of the valves in the heart?

To ensure one-way blood flow through the heart.

What is the name of the valve between the right atrium and right ventricle?

Tricuspid valve.

What do the flaps of the pulmonary valve resemble?

Half-moons.

What happens during systole?

The time when the heart is contracting and pumping blood.

What is tachycardia?

A faster than normal heart rate.

What is the largest artery in the body?

Aorta.

What type of blood do veins carry?

Oxygen-poor blood back to the heart.

In which part of the heart does the bicuspid valve reside?

Between the left atrium and left ventricle.

What is the key role of capillaries in the circulatory system?

Exchange of oxygen and nutrients for carbon dioxide and waste.

What does the term 'arrythmia' refer to?

Any abnormality in heart rate or rhythm.

How does blood flow in pulmonary circulation?

The blood flows from the heart to the lungs to offload CO2 and pick up O2.

What is the function of the endothelium in blood vessels?

It serves as a thin smooth membrane lining the inner surface.

What separates the atria and ventricles in the heart?

Valves.

What does the term 'sten/o' mean?

Narrow.