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प्रश्न
Which of the following is mesodermal is the origin?
विकल्प
Retina
Enamel of teeth
Heart
Liver
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उत्तर
Heart
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संबंधित प्रश्न
Where does blood absorb oxygen?
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
How many valves are closed in this phase?
Differentiate between:
Diastole and Systole.
Given alongside is a diagram of the external features of the heart.
(i) Name the parts ‘1’ to ‘7’.
(ii) What happens if the coronary artery gets an internal clot?
(iii) Which type of blood does part ‘5’ carry?
(iv) Mention one structural difference between part ‘5’ and ‘4’.
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?
Give Technical Term for the following:
What is the approximate weight of the heart of a man?
____________ 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 walls of the heart is made up of cardiac muscle.
Describe the flow of blood through the heart of human beings.
