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प्रश्न
Why is blood needed by all the parts of a body?
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.
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संबंधित प्रश्न
the Biological/technical term for Blood vessels carrying blood to the left atrium.
Name the following:
Any one vein which starts from an organ and ends in another organ besides the heart
Why does the left ventricle possess a thicker wall than the right ventricle?
Fill in the blanks with suitable words given below:
The oxygen-rich blood is pumped into different parts of the body through ______.
Complete the following sentence with appropriate word:
The foundations of physiology were laid by the physician __________.
Complete the following sentence with appropriate word:
The membranous covering of the heart is _______.
Name the systems that carry out the different functions of the body.
The endocrine glands produce chemical substances called ____
Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?
