Cardiovascular System

Front

What is the main function of the cardiovascular system?

Back

To transport oxygen, nutrients, hormones, and waste products throughout the body.

Front

What is the role of the aorta in the cardiovascular system?

Back

The aorta is the main artery that carries oxygenated blood from the heart to the rest of the body.

Front

Define vasodilation.

Back

Vasodilation is the process in which blood vessels increase their diameter, leading to increased blood flow.

Front

What is the approximate size of an adult human heart?

Back

The size of a large fist.

Front

What type of blood cells are responsible for delivering oxygen to tissues?

Back

Red blood cells.

Front

What is pulmonary circulation?

Back

Pulmonary circulation is the movement of blood between the heart and the lungs.

Front

What is the function of platelets in the cardiovascular system?

Back

Platelets are responsible for blood clotting and preventing bleeding.

Front

What is the difference between systemic and pulmonary circulation?

Back

Systemic circulation carries oxygenated blood from the heart to the body, while pulmonary circulation carries deoxygenated blood from the heart to the lungs.

Front

What is the role of the septum in the heart?

Back

The septum is a wall that separates the left and right sides of the heart, preventing the mixing of oxygenated and deoxygenated blood.

Front

What happens during diastole?

Back

During diastole, the heart muscles relax, allowing the chambers to fill with blood.