Advertisements
Advertisements
प्रश्न
At any given time there is more blood in the venous system than that of the arterial system. Which of the following features of the veins allows this?
विकल्प
relative lack of smooth muscles
presence of valves
proximity of the veins to lymphatic’s
hin endothelial lining
Advertisements
उत्तर
relative lack of smooth muscles
संबंधित प्रश्न
Write the differences between open and closed system of circulation
Describe the evolutionary change in the pattern of heart among the vertebrates.
Conversion of ammonia into uric acid occurs through --------------
A patient’s chart reveals that he has a cardiac output of 7500 mL per minute and a stroke volume of 50 mL. What is his pulse rate (in beats/min)
Distinguish between mitral valve and semi lunar valve.
Right ventricular wall is thinner than the left ventricular wall. Why?
What are the heart sounds? When and how are these sounds produced?
Select the correct biological term.
The substances which gives red cells their colour.
Read the following statements and choose the correct option
Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles.
Statement 2: Action potential generated at sino-atrial node passes from atria to ventricles.
Define the following terms and give their location?
Purkinje fibre
The walls of ventricles are much thicker than atria. Explain.
Write the features that distinguish between the two.
Open and Closed circulatory system
Write the features that distinguish between the two.
Sino-atrial node and Atrio-ventricular node
Answer the following:
Which part of heart is responsible for initating and maintaining its rhythmic activity?
Answer the following:
What is specific in the heart of crocodiles among reptilians?
In the diagrammatic presentation of heart given below, mark and label, SAN, AVN, AV bundles, bundle of His and Purkinje fibres.
