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प्रश्न
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
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उत्तर
Ventricular systole.
संबंधित प्रश्न
Given below is a diagram of a human blood smear.
Study the diagram and answer the questions that follow:
a) Name the components numbered ‘1’ to ‘4’
b) Mention two structural differences between the parts ‘1’ and ‘2’.
c) Name the soluble protein found in part ‘4’ which forms insoluble threads during clotting of blood.
d) What is the average lifespan of the component numbered ‘1’ ?
e) Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain
MULTIPLE CHOICE TYPE:
(Select the most appropriate option)
The valve present between the right atrium and the right ventricle is the
(a) tricuspid valve
(b) bicuspid valve
(c) semi-lunar valve
(d) mitral valve
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
Name the main parts of the circulatory system
Differentiate between:
Red blood cells and White blood cells
Explain the Term
Hepatic Portal System
A female has haemophilic brother and parents having nonual blood clotting. She marries a male who has no history of haemophilia in his family. What is the possibility of her children having this disease?
______ is an agranulocyte.
In a closed circulatory system, blood is completely enclosed within:
Name the following :-
The cell organelle where photosynthesis occurs
