Question

Describe the structure and functioning of the human heart.

Answer 1

FUNCTION OF HEART:

Heart is the pumping organ of the body which recieves deoxygenated blood from the body and pumps oxygenated blood back into circulation. Its functioning is divided into two

Types of circulation:

Pulmonary: Circulation to the lungs and back to the heart for purification of deoxygenated blood

Systemic: The oxygenated blood from the heart is carried by the arteries to the different body parts.

STRUCTURE OF HEART:

• The human heart is four-chambered.
• The upper two chambers are called the auricles, separated by the interatrial septum and the lower two chambers are called the ventricles, separated from each other by the interventricular septum.
• The two atria are separated by the interatrial septum. The ventricles have more muscular walls than the auricles.

Answer 2

The heart is also known as the blood-pump of the body. It pumps blood and delivers it to the parts of our body. The heart belongs to the circulatory system, which is the lifeline of the body.

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