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प्रश्न
Complete the following sentence with appropriate words:
Arteries are _____ walled and the veins are _____ walled vessels.
उत्तर
Arteries are Thick walled and the veins are thin walled vessels.
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संबंधित प्रश्न
What are the upper parts of the heart called?
Differentiate between the following pair of terms:
RBC and WBC.
Answer very briefly, Red Blood cells have no nucleus, then why do we call them cells?
Fill in the blank.
___________ carry pure blood.
Name the organ from which oxygenated blood goes into the heart.
Why is a person having blood group AB called universal recipient and a person with blood group O called a universal donor?
The diagrams given below show the cross-section of two kinds of blood vessels:
(i) Identify the blood vessels A and B. In each case give a reason to support your answer.
(ii) Name the parts numbered 1 and 2.
(iii) When are the sounds “LUBB” and “DUB” produced during a heartbeat?
(iv) Name the blood vessel that
(a) begins and ends in capillaries.
(b) supplies blood to the walls of the heart.
Name the Following
The blood vessel leaving the left ventricle of the mammalian heart
Which of the following blood vessels carry oxygenated blood from lungs to heart?
Identify the CORRECT match.
