Advertisements
Advertisements
प्रश्न
Normal activities of the heart are regulated by ______________.
विकल्प
brain
brain
spinal cord
spinal cord
modified cardiac muscles
modified cardiac muscles
Advertisements
उत्तर
Modified cardiac muscles
Normal activities of the heart are auto-regulated by specialized muscles.
APPEARS IN
संबंधित प्रश्न
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 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.
Draw the diagram of the Position of valves in the human heart.
State the Function: Pericardium
What is the function of pericardial fluid?
____________ guards the left atrioventricular aperture in human heart.
Blood capillaries show the presence of ______
The QRS complex in a standard ECG represents ______.
Explain the term Ligamentum arteriosum.
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?
