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प्रश्न
Name the following:
The fluid found between the membranes of the heart.
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उत्तर
Pericardial fluid
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संबंधित प्रश्न
Blood in the pulmonary artery or pulmonary vein (Which one contains less oxyhaemoglobin ?)
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
What is Diapedesis?
Given below is a certain structure, write its chief functional activity.
Lymphocytes - ______.
The valve which prevents back flow of blood in the veins and lymph vessels ______.
What is meant by the term 'double circulation' of blood in mammals? What is diastole?
Match the statements in Column A with those in Column B
| Column A | Column B | ||
| 1 | Heart | a | Movement of materials |
| 2 | Food and oxygen | b | Channels for transport in man |
| 3 | Carrier of oxygen | c | A living pump |
| 4 | Circulation | d | Materials needed by every living being |
| 5 | Arteries and veins | e | Red blood cells |
Describe the functions of the: Heart
Complete the following sentence with appropriate word:
The membranous covering of the heart is _______.
The nodal tissue located in the lower left corner of right atrium is ______.
