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प्रश्न
Respiration takes place because of its up and down movement.
विकल्प
circulation
trachea
diaphragm
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उत्तर
Respiration takes place because of its up and down movement.- diaphragm
संबंधित प्रश्न
Describe, in brief, the circulatory system in human beings.
What is Endothelium?
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
Find the odd one out, giving reason.
Complete the following sentence with appropriate word:
Beside food, oxygen and waste materials, circulatory system transports ________ to various parts of the body.
Match the following.
| Group A | Group B |
| (1) Lungs | (a) Circulation |
| (2) Stomach | (b) Respiration |
| (3) Heart | (c) Co-ordination |
| (4) Brain | (d) Digestion |
The process of keeping the blood flowing continuously throughout the body.
Reduction in number of ______ can cause clotting disorder, leading to excessive loss of blood from the body.
Identify the normal haemoglobin count in human females.
