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प्रश्न
Short answer question.
What is the role of papillary muscles and chordae tendinae in the human heart?
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उत्तर
The bicuspid and tricuspid valves are connected to chordae tendineae which in turn are connected to the papillary muscles present on the ventricular wall. Chordae tendineae and papillary muscles regulate the opening and closing of valves.
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संबंधित प्रश्न
What prevents the backflow of blood inside the heart during contraction?
Multiple choice question. Tick (✓) the correct choice:
The heartbeat is measured by an instrument called
- thermometer
- sphygmomanometer
- stethoscope
- none of the above
The diagram given alongside represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
Name the phase.
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
What type of blood flows through the parts marked '1' and '2'?
When are the sounds ‘LUBB’ and ‘DUB’ produced during heartbeat ?
Complete the following sentence with appropriate word:
In man (human), the heart has _____ chambers.
Blood is pumped by
Describe the flow of blood through the heart of human beings.
The rate of heartbeat is determined by ______.
Give scientific reason.
Human heart is called as myogenic and autorhythmic.
