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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
Normal activities of the heart are regulated by ______________.
Fill in the blank.
In human body, heart is located on the _____ side of the chest cavity.
Select the odd one in the following:
Tricuspid, Bicuspid, Semilunar, Foramen ovales.
Choose the correct answer:
The E.C.G. is used to detect ____________
State the Function: Pulmonary artery
‘Heart of heart’ is called ______
WBC defends the body from bacterial and viral infections.
The heartbeat about ______ in a minute.
Explain the term Chordae tendinae.
Given below is a diagram of the external features of the human heart. Study the figure and answer the questions that follows:
 |
- Label the guidelines shown as 1 to 6 in the figure.
- Write the important role of parts 5 and 6.
- Name the chamber of the heart which collects blood from the lungs through a blood vessel. Also write the name of the blood vessel.
- Write one structural and one functional difference between the blood vessels 4 and 5.
- What happens when there is a blockage in any coronary artery or any of their branches?
