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प्रश्न
Why is blood needed by all the parts of a body?
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उत्तर १
- Blood carries oxygen, food, hormones and other essential substances to different parts of the body.
- It brings carbon dioxide and other excretory substances from different parts of the body and expels them with the help of the lungs and other excretory organs.
- It sends toxic and harmful substances formed in metabolism to the liver to make them harmless. Thus, all organs need blood.
उत्तर २
- Blood is needed by all the parts because it contains the digested food and oxygen in it.
- It supplies oxygen and digested food to various parts of the body to provide essential energy to them which helps the body to perform various functions.
APPEARS IN
संबंधित प्रश्न
Draw the structure of a human heart and label its parts.
Agranulocytes are :
Name the following:
Any one vein which starts from an organ and ends in another organ besides the heart
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
Artery and vein (direction of blood flow)
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
Tricuspid and bicuspid values (location)
Cardiac muscles are ______.
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.
- Which types of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
- Which chamber of the heart receives oxygenated blood from the lungs?
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
Short answer question.
Write a note on blood plasma.
Agranulocytes are about ______ % of total WBCs.
