Question

Given below is the diagram of a human heart. Read the information below the diagram and fill in the blanks:

The human heart pumps blood throughout the body. It is the size of a large fist. The heart is located between the lungs in the thoracic cavity. It has four chambers. The heart functions all through the lifespan of a person and is responsible for the survival of the person.

The heart is enclosed by a membrane called (a) ______. The ventricles give rise to two large blood vessels called (b) ______ and (c) ______. The flaps of the cuspid valves are kept in position by (d) ______. (e) ______ arteries supply oxygenated blood to the walls of the heart.

Answer 1

The heart is enclosed by a membrane called (a) pericardium. The ventricles give rise to two large blood vessels called (b) aorta and (c) pulmonary artery. The flaps of the cuspid valves are kept in position by (d) chordae tendineae. (e) Coronary arteries supply oxygenated blood to the walls of the heart.