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प्रश्न
Name these:
Three components of circulatory system.
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उत्तर
Heart, blood, and blood vessels.
संबंधित प्रश्न
With which human organ system (or human systems) is vena cava associated?
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
What does the term “double circulation” mean?
what is Venule?
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
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
Choose the correct answer:
English physician who discovered blood circulation was ___________
Short answer question.
Write a note on blood plasma.
Respiration takes place because of its up and down movement.
The valve which prevents back flow of blood in the veins and lymph vessels is ______.
