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प्रश्न
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 |
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उत्तर
| Column A | Column B | ||
| (a) | SA Node | (iii) | Pacemaker |
| (b) | Defective haemoglobin in RBC | (iv) | Sickle cell anaemia |
| (c) | Muscle fibres located in heart | (v) | Purkinje fibres |
| (d) | The liquid squeezed out of blood during clotting | (ii) | Serum |
| (e) | Never tires, keep on contracting and relaxing | (vi) | Cardiac muscle |
| (f) | Cardiac cycle | (vii) | 0·85 sec |
| (g) | Liquid part of the blood without corpuscles | (i) | Plasma |
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संबंधित प्रश्न
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
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
When are the sounds "LUBB" and "DUP" produced respectively during heart beat?
Match the items given in Column A with the most appropriate ones in Column B and REWRITE the correct matching pairs :
Column A Column B
(i) Cranial nerves Testosterone
(ii) Leydig cells Natural reflex
(iii) Acetylcholine 12 pairs
(iv) Spinal nerves Prolactin
(v) Sneezing Neurotransmitter
- 18 pairs
- 31 pairs
- Conditioned reflex
Multiple choice questions. Tick ( ✓ ) the correct choice:
Human heart has
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 |
Name the organ from which oxygenated blood goes into the heart
Respiration takes place because of its up and down movement.
Label the diagram given below to show the four main parts of the urinary system and answer the following questions.
- Which organ removes extra salts and water from the blood?
- Where is the urine stored?
- What is the tube through which urine is excreted out of the body?
- What are the tubes that transfer urine from the kidneys to the urinary bladder called?
The valve which prevents back flow of blood in the veins and lymph vessels is ______.
