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प्रश्न
Draw a neat and labelled diagram.
Internal structure of the heart.
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उत्तर
Internal structure of the heart.
संबंधित प्रश्न
Explain Diapedesis.
Match the items given in Column A with the most appropriate ones in Column B and REWRITE the correct matching pairs :
Column A Column B
(i) Cranial nerves Testosterone
(ii) Leydig cells Natural reflex
(iii) Acetylcholine 12 pairs
(iv) Spinal nerves Prolactin
(v) Sneezing Neurotransmitter
- 18 pairs
- 31 pairs
- Conditioned reflex
Explain the difference.
Arteries and veins.
pH of oxygenated blood is ______.
Fill in the blanks with suitable words given below:
The oxygen-rich blood is pumped into different parts of the body through ______.
Describe the functions of the: Blood vessels
Describe, in brief, the circulatory system in human beings.
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’.
The process of keeping the blood flowing continuously throughout the body.
Which of the following cells are produced from reticulocytes?
