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प्रश्न
State the functions of blood in our body.
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उत्तर
Following are the functions of blood:
- It transports oxygen from the lungs to the cells.
- It carries carbon dioxide, a waste product, from the body cells to the lungs.
- It fights diseases and infections.
- It regulates the body temperature.
- It carries hormones to different organs of the body.
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संबंधित प्रश्न
Why is blood needed by all the parts of a body?
Describe the function of the heart.
the Biological/technical term for The vein which drains the blood from the intestine to the liver.
The diagram below represents the simplified pathway of the circulation of blood. Study the same and answer the questions which follow:
(i) Name the blood vessels labelled 1 and 2.
(ii) State the function of blood vessels labelled 5 and 8.
(iii) What is the importance of the blood vessel labelled 6?
(iv) Which blood vessel will contain a high amount of glucose and amino acids after a meal?
(v) Draw a diagram of the different blood cells as seen in a smear of human blood.
Name the following:
The phase of the cardiac cycle in which the auricles contract.
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
Coronary artery : Heart :: Hepatic artery : ______
Why do people have a common belief that the heart is located on the left side of the chest?
what is Venule?
Give reason for the following:
The arteries are deep seated in the body
Explain with reasons.
Human blood is red coloured.
Production of RBCs occurs in ______.
Put a tick mark (✓) against the correct alternative in the following statement.
The only artery which carries deoxygenated blood is called,
Put a tick mark (✓) against the correct alternative in the following statement.
Pulmonary vein carries
Name the main parts of the circulatory system
Draw well labeled diagrams of part Artery and Superior vena cava to show the structural.
Name the Following
Oxygen is transported by the blood in the form of
State the Location: Bundle of His
______ WBCs are present per mm3 of blood.
______ refers to a marked decrease in the number of platelets.
Given diagram is a schematic representation of the circulatory system in humans. Study the same and answer the questions that follow:
 |
- Label the parts 1 and 4 indicated in the diagram.
- Which of the above mentioned number is the thickest artery? Also write its name.
- Mention the number and chamber of the heart which has the thickest muscular wall.
- Which of the above numbers/structures has the maximum number of blood capillaries?
- Draw neat and labelled diagrams of the transverse section of vena cava and the part numbered as 3. Make sure to show the structural differences between these two in the diagram.
