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प्रश्न
Why do people have a common belief that the heart is located on the left side of the chest?
Give reasons/explain:
People have a common belief that the heart is located on the left side of the chest.
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उत्तर
People have a common belief that the heart is located on the left side of the chest because the narrow end of the roughly triangular heart is pointed to the left side. During its working, the heart's contraction is more powerful on the left side, which can be felt.
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संबंधित प्रश्न
Agranulocytes are :
The nearest organ to which the heart supplies oxygenated blood is:
Heart sounds are produced due to ______.
-
closure of tricuspid and bicuspid valves
-
rushing of blood through valves producing turbulence
-
closure of atrioventricular and semilunar valves
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entry of blood into auricles
Given below is a certain structure, write its chief functional activity.
Erythrocytes - ______.
Given diagram shows a simple diagram of the circulation of blood in a mamma showing the
main blood vessels, the heart, lungs and body tissues. The blood vessel, labelled 6, contains
deoxygenated blood and the valve leading to it has three semi-lunar pockets.
(a) Name the blood vessels and organs marked by numbers 1 to 8.
(b) What is meant by the term ‘double circulation’ of blood in mammals?
(c) what is diastole?
[There is an “error” in the diagram. According to the usual practice the pulmonary (lung)
circulation is shown upward and the systemic downward, but here it is reversed].
Fill in the blank:
In human body, heart is located on the _____ side of the chest cavity.
Draw well labeled diagrams of part Artery and Superior vena cava to show the structural.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The walls of auricles are thicker than those of ventricles.
Circulation is carried out by ______ in higher animals.
Name these:
Three circulating fluids in human body.
