English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 6

Thin tube like structures which are the component of circulatory system are called blood vessels.

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Question

Thin tube-like structures which are the component of circulatory system are called blood vessels.

Options

  • True

  • False

MCQ
True or False
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Solution

Thin tube-like structures which are the component of circulatory system are called blood vessels- False.

Correct statement

The tube-like structure which are the component of circulatory system are called blood capillaries.

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Chapter 6: Human Organ systems - Evaluation [Page 83]

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Samacheer Kalvi Science - Term 2 [English] Class 6 TN Board
Chapter 6 Human Organ systems
Evaluation | Q III. 4. | Page 83

RELATED QUESTIONS

Given below is a diagram of a human blood smear.

Study the diagram and answer the questions that follow:

a) Name the components numbered ‘1’ to ‘4’

b) Mention two structural differences between the parts ‘1’ and ‘2’.

c) Name the soluble protein found in part ‘4’ which forms insoluble threads during clotting of blood.

d) What is the average lifespan of the component numbered ‘1’ ?

e) Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain


Heart sounds are produced due to ______.

  1. closure of tricuspid and bicuspid valves

  2. rushing of blood through valves producing turbulence

  3. closure of atrioventricular and semilunar valves

  4. entry of blood into auricles


The valve which prevents back flow of blood in the veins and lymph vessels ______.


what is Venule?


Find the odd one out.


Name the main parts of the circulatory system


Match the following.

Group A Group B
(1) Lungs (a) Circulation
(2) Stomach (b) Respiration
(3) Heart (c) Co-ordination
(4) Brain (d) Digestion

Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?


Given below are four statements regarding human blood circulatory system:-

  1. Arteries are thick walled and have narrow lumen as compared to veins.
  2. Angina is acute chest pain when the blood circulation to the brain is reduced.
  3. Persons with blood group AB can donate blood to any person with any blood group under ABO system.
  4. Calcium ions play a very important role in blood clotting.

Which two of the above statements are correct?


Ventricles have ______ walls when compared with those of auricles.


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