Advertisements
Advertisements
प्रश्न
The valve which prevents back flow of blood in the veins and lymph vessels ______.
विकल्प
mitral valve
tricuspid valve
semilunar valve
Advertisements
उत्तर
The valve which prevents the back flow of blood in the veins and lymph vessels is semilunar valve.
संबंधित प्रश्न
The blood from the heart is transported to all parts of the body by the ______.
The diagram below represents the human heart in one phase of its function. Study the diagram carefully and answer the questions that follow:
(i) Name the phase.
(ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(iii) Name the parts labelled 1 to 4.
(iv) What type of blood flows through ‘2’?
(v) State the function of the part numbered ‘5’.
(vi) Name the membrane that covers the heart.
Why do people have a common belief that the heart is located on the left side of the chest?
How do you account for the following difference?
The walls of the right ventricle are thicker than those of the right auricle.
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
Analogy
Arteries : Carry blood from the heart:: _________ :carry blood to the heart.
Analogy
Lungs: Respiratory system:: _______: Circulatory system.
In which of the following process blood neutrophils play an important role?
Name the following:
The structure that holds the heart valves in position.
