Chapter 13: Cardiovascular System - Bold Word Notes

Front

What is the cardiovascular system?

Back

The cardiovascular system is a closed circuit made up of the heart and blood vessels that delivers oxygen and nutrients while removing waste.

Front

What are the upper chambers of the heart called?

Back

The upper chambers of the heart are called atria.

Front

What is a murmur in the context of heart sounds?

Back

A murmur is an abnormal heart sound that occurs due to faulty valves.

Front

What is blood pressure?

Back

Blood pressure is the force of blood against vessel walls, highest in arteries.

Front

What are veins?

Back

Veins are blood vessels that carry blood back to the heart, often running parallel to arteries.

Front

What is the function of the ventricles in the heart?

Back

The ventricles are the lower chambers of the heart that pump blood out of the heart.

Front

What is the role of valves in the cardiovascular system?

Back

Valves prevent the backflow of blood and ensure it flows in one direction through the heart.

Front

What is cardiac output?

Back

Cardiac output is the volume of blood the heart pumps per minute.

Front

What are capillaries?

Back

Capillaries are small blood vessels where the exchange of oxygen, nutrients, and waste occurs between blood and tissues.

Front

What is the septum?

Back

The septum is the wall that separates the left and right sides of the heart.