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प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement.
The blood tastes saltish due to the dissolved.
पर्याय
Sodium chloride
Potassium chloride
Ammonium nitrate
Sodium nitrate
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उत्तर
Sodium chloride
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संबंधित प्रश्न
The blood from the heart is transported to all parts of the body by the ______.
Why is blood needed by all the parts of a body?
When a doctor is recording your pulse, he is pressing on your wrist exactly on a
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
artery and vein (type of blood primarily flowing through)
Given below is the simplified pathway of the circulatory system:
(i) Name the blood vessels marked 1 to 8.
(ii) Name the chamber of the heart which:
(a) Receives blood from ‘1’.
(b) Pumps blood into blood vessel ‘8’.
(iii) Mention two structural differences between blood vessels ‘7’ and ‘2’.
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.
Complete the following sentence with appropriate word:
Beside food, oxygen and waste materials, circulatory system transports ________ to various parts of the body.
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
The endocrine glands produce chemical substances called ____
Given below are four statements regarding human blood circulatory system:-
- Arteries are thick walled and have narrow lumen as compared to veins.
- Angina is acute chest pain when the blood circulation to the brain is reduced.
- Persons with blood group AB can donate blood to any person with any blood group under ABO system.
- Calcium ions play a very important role in blood clotting.
Which two of the above statements are correct?
