What is the difference between lymph and blood?
|
Lymph |
|
Blood |
1. |
It is a colourless fluid that does not contain RBCs. |
1. |
It is a red-coloured fluid that contains RBCs. |
2. |
It contains plasma and lesser number of WBCs and platelets. |
2. |
It contains plasma, RBCs, WBCs, and platelets. |
3. |
It helps in body defence and is a part of the immune system. |
3. |
It is associated with the circulation of oxygen and carbon dioxide,nutrients harmones,waste products etc |
4. |
Its plasma lacks proteins. |
4. |
Its plasma has proteins, calcium, and phosphorus. |
5. |
It transports nutrients from the tissue cells to the blood, through lymphatic vessels. |
5. |
It transports nutrients and oxygen from one organ to another. |
6. |
The flow of lymph is slow. |
6. |
The flow of blood in the blood vessels is fast. |
What is meant by double circulation? What is its significance?
Name the components of the formed elements in the blood and mention one major function of each of them.
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell.
Cell is the basic unit of life. Discuss in brief.
Briefly describe the structure of the following:
(a) Brain
(b) Eye
(c) Ear
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