Anatomical Structure of the Heart and How it works

Arteries carry oxygen-poor blood from the heart to the body's tissues and organs.

False

Capillaries are the largest of all blood vessels.

False

The heart is located inside the ribcage and just to the right of the breast bonde.

False

The two atria hold the blood that circulates away from the heart.

False

Since the arteries keep pace with the heart, you can measure the heart rate by counting the contractions of the arteries.

True

The average heart beats about 100,000 times a day.

True

The exchange of oxygen and carbon dioxide takes place through the capillary wall.

True

The heart has four chambers and is divided into a right and left side by a muscular wall called the septum.

True

The heart has four one-way valves, which open and close with each heartbeat.

True

The tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles.

True