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प्रश्न
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
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उत्तर
Plasma: The plasma is a light-yellow coloured, alkaline liquid which mainly consists of:
- Water- 90-92%
- Proteins – 7-8%
- Inorganic salts – 1%
- Other substances – traces
Cellular elements : These elements are of three categories:
- Red blood cells (erythrocytes)
- White blood cells (leukocytes)
- Blood platelets (thrombocytes)
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संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement.
Pulmonary vein carries
Give any three differences between an artery and a vein
Fill in the blanks with suitable words given below:
The carbon dioxide loaded blood from right ventricle is pumped into the lungs through ______.
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.
Describe the functions of the: Blood
Define the Veins.
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
Draw well labeled diagrams of part Artery and Superior vena cava to show the structural.
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Can you answer why the pulmonary artery shown in Fig. is blue in colour?
Name these:
Three circulating fluids in human body.
