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प्रश्न
Write the exact location of the following:
Heart
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उत्तर
The heart is right in the centre between the two lungs and above the diaphragm. The narrow end of the roughly triangular heart is pointed to the left side, and while working, the contraction of the heart is most powerful at this end, giving a feeling that the heart is on the left side.
संबंधित प्रश्न
What are the components of the transport system in human beings? What are the functions of these components?
What is hypertension? Why is it caused? What harm can it do?
The figure below represents the internal structure of a mammalian heart and the associated blood vessels.
(i) (a) Name each of the structures labeled 1, 2, 3, 4, 5, 6, 7 and 8.
(b) State the function of each of the structures 5, 6, 7, and 8.
(ii) (a) State the function of the heart as an entire organ.
(b) Why are the walls of the left ventricle more muscular than the right?
Name an instrument which is used to hear heart sounds.
State the Function: Pericardium
____________ branches from bundle of His and forms a network in ventricular walls.
The correct match of blood vessel, its connection and O2 content is ____________.
The back flow of blood during the pumping of blood by the heart is prevented by:
The heartbeat about ______ in a minute.
State the exact location of the following structure.
Papillary muscles
