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प्रश्न
What is the name of blood vessels which connect arteries to veins?
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उत्तर
Capillaries are thin-walled tubes, which connect the arteries to the veins.
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संबंधित प्रश्न
State briefly, the difference between white blood cells and the red blood cells.
Multiple choice question. Tick (✓) the correct choice:
The blood cells which protect the body from infection are
- RBCs
- platelets
- WBCs
- all the above
Define the term Arteries.
Define the term Veins.
Name the following:
Components of blood
What are seen as greenish blue lines in our hands and legs?
Given below are the diagrammatic sketches of two kinds of blood vessels.
(a) Identify the two kinds of blood vessels A and B.
(b) name the parts numbers 1 to 6
(c) Mention any two main differences between A and B.
Why are capillaries thin walled?
The diagram below represents a certain category of blood vessels showing the role of a special structure in their walls :
(i) Name the kind of blood vessels shown.
(ii) What is the structure shown inside the blood vessels?
(iii) What is the role of these structures?
(iv) Are these structures present in any other kind of blood vessel? If so, name it.
(v) Towards which side of the figure (Top or Bottom) is the heart located?
Name the Following
The blood vessel leaving the left ventricle of the mammalian heart
Complete the following sentence with appropriate words:
The three distinct types of blood vessels are _____, ______, and _________.
Complete the following sentence with appropriate word:
The blood vessel which transports blood from heart to an organ is called _________.
Complete the following sentence with appropriate word:
The blood vessel leaving the left ventricle of the mammalian heart is the _________.
Why is the velocity of blood flow the lowest in the capillaries?
Which blood vessel is indicated by 'X' in the following diagram?
Identify the term that refers to the study of blood vessels.
Analogy:
Carries blood from the right ventricle to lungs: Pulmonary artery.
Carries blood from the lungs to left atrium: ______.
Select the incorrect statements with respect to blood vessels.
- Capillaries are thin-walled having a single layer of ciliated epithelium.
- Arteries are pulsatile and devoid of valves.
- Portal vein starts as capillaries from one organ and ends as capillaries in another organ.
- All arteries carry oxygenated blood whereas all veins carry deoxygenated blood.
- Capillary walls bear fenestrae through which WBCs can move out by diapedesis.
Choose the correct answer from the options given below:
