Biology
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.
Circulatory System
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Answer
The heart is enclosed by a membrane called (a) Pericardium . The ventricles give rise to two large blood vessels called (b) Pulmonary artery and (c) Aorta . 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.
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