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Question
The substances to and from the tissues diffuse through the walls of ______.
Solution
The substances to and from the tissues diffuse through the walls of capillaries.
RELATED QUESTIONS
What is the name of blood vessels which connect arteries to veins?
Fill in the blank with suitable word given below:
The colour of a red blood cell is due to _______________.
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Platelets help in clotting of blood.
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(a) With which figure in the chapter can you roughly compare this diagram?
(b) Write any two things shown in it as extra from those in the figure named above.
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Complete the following sentence with appropriate word:
The blood vessel leaving the left ventricle of the mammalian heart is the _________.
Long answer question:
Which blood vessel of the heart will have the maximum content of oxygen and why?
Which blood vessel is indicated by 'X' in the following diagram?
Analogy:
Carry oxygenated blood: Arteries.
Carry deoxygenated blood: ______.
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:
