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प्रश्न
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
Which part of the heart is contracting in this phase? Give a reason to support your answer.
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उत्तर
Ventricular muscles are contracting during this phase because the valves between the two ventricles and pulmonary artery and aorta are open while the atrio-ventricular valves are closed.
संबंधित प्रश्न
Give Technical Term for the following:
What is the approximate weight of the heart of a man?
Complete the following sentence with appropriate word:
The ______ is the most powerful organ in the circulatory system.
Choose the Odd One Out:
Describe pericardium.
Complete the analogy.
The contraction of heart muscles: Systole:: Relaxation of heart muscles: ______.
______ externally separates ventricles from each other.
The heartbeat about ______ in a minute.
The walls of the heart is made up of ______.
The diagram below depicts the human heart in one of its phases. Answer the questions that follow:
- Which part of the heart is in the contraction phase?
- Give a suitable reason to justify your answer in (a).
- Distinguish between Systole and Diastole.
The ______ have thin and less muscular ______ and have ______ to prevent back flow of ______.
