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प्रश्न
Name the main parts of the circulatory system.
Name the organs of the circulatory system in humans.
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उत्तर
The main parts of the circulatory system are:
- Heart
- Blood vessels
- Blood
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
With which human organ system (or human systems) is the vena cava associated?
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 type 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?
Describe the circulatory system of humans.
A blood vessel which has small lumen and thick wall is ______.
Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:
Lubb: Atrioventricualr valves :: dup: …………………
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
State the Location: Bundle of His
_____ gas is transported to all parts of the body.
______ refers to a marked decrease in the number of platelets.
