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

Answer:

structure and functioning of human heart:

heart contains a lot of arteries ,veins,etc

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$\large{</strong><strong>main</strong><strong>.</strong><strong>.</strong><strong>.</strong><strong>functions</strong><strong>}$

(1)The main function of the heart is to supply blood to all parts of the body for proper functioning ................

(2)The second main function of the heart is to convert deoxygeneted bllod(carbondioxide rich) into oxygeneted blood(Oxygen rich)..........

[the heart supply the Co2 rich blood to the brochioles which contains blood rich supply and recieves O2 rich blood and gives CO2 rich blood in return in the lungs and CO2 came out from the body through exhalation.