Advertisements
Advertisements
प्रश्न
Given below is a certain structure, write its chief functional activity.
Blood platelets - ______
Advertisements
उत्तर
Blood platelets - blood coagulation
APPEARS IN
संबंधित प्रश्न
Haemoglobin is present in ______ cells.
Explain Pulse
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.
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
Artery and vein (direction of blood flow)
Match the items in Column ‘A’ with those in column ‘B’ Rewrite the correct matching pairs.
| Column A | Column B | ||
| (a) | SA Node | (i) | Plasma |
| (b) | Defective haemoglobin in RBC | (ii) | Serum |
| (c) | Muscle fibres located in heart | (iii) | Pacemaker |
| (d) | The liquid squeezed out of blood during clotting | (iv) | Sickle cell anaemia |
| (e) | Never tires, keep on contracting and relaxing | (v) | Purkinje fibres |
| (f) | Cardiac cycle | (vi) | Cardiac muscle |
| (g) | Liquid part of the blood without corpuscles | (vii) | 0·85 sec |
Describe how the exchange of oxygen and carbon dioxide gases takes place in the lungs.
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?
The lymphatic system consists of which of the following?
Identify the INCORRECT match
______ WBCs are present per mm3 of blood.
