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प्रश्न
Differentiate between:
Arteries and Veins.
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उत्तर
| Arteries | Veins |
| These carry blood from the heart to different organs of the body. | These collect blood from different organs of the body. |
| These contain oxygenated blood (Pulmonary artery contains deoxygenated blood) | These contain deoxygenated blood. (Pulmonary vein contains oxygenated blood). |
| Blood flows rapidly with jerks under pressure. |
Blood flows slowly at a constant slow speed. |
| The walls are thick and elastic. | The walls are thin and non-elastic. |
| Valves are absent. | Valves are present. |
संबंधित प्रश्न
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
Artery and vein (direction of blood flow)
Explain with reasons.
Human blood is red coloured.
Fill in the blank:
In human body, heart is located on the _____ side of the chest cavity.
True or false:
The four blood groups in human beings are A, B, AB and AO
_____ gas is transported to all parts of the body.
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 lymphatic system consists of which of the following?
Name the following:
Contraction phase of heart.
Name the following:
The structure that holds the heart valves in position.
Name these:
Three circulating fluids in human body.
