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प्रश्न
Define the Veins.
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उत्तर
Veins are the blood vessels that carry deoxygenated (impure) blood from the body cells to the heart.
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संबंधित प्रश्न
What is meant by human circulatory system?
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?
Is it true that your heart beats more than one lac times per day?
Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?
Give reason for the following:
Blood flowing away from the stomach and intestines is put into circulation via the liver and
not directly.
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
Fill in the blanks with suitable words given below:
The liquid part of coagulated blood is known as ______.
Multiple choice questions. Tick ( ✓ ) the correct choice:
Human heart has
Multiple choice questions. Tick ( ✓ ) the correct choice:
The blood vessels in which blood goes away from the heart to different body parts are
Thin tube-like structures which are the component of circulatory system are called blood vessels.
