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प्रश्न
Given diagram is a schematic representation of the circulatory system in humans. Study the same and answer the questions that follow:
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- Label the parts 1 and 4 indicated in the diagram.
- Which of the above mentioned number is the thickest artery? Also write its name.
- Mention the number and chamber of the heart which has the thickest muscular wall.
- Which of the above numbers/structures has the maximum number of blood capillaries?
- Draw neat and labelled diagrams of the transverse section of vena cava and the part numbered as 3. Make sure to show the structural differences between these two in the diagram.
उत्तर
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- Right auricle
- Left ventricle
- Aorta
- Body organs
- Number 3 is the thickest artery. The artery's name is Aorta.
- Number 2 has the thickest muscular wall, which is the left ventricle.
- The small intestine has the maximum number of blood capillaries.
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Give appropriate biological or technical terms for the following
The relaxation phase of the heart.
What is meant by human circulatory system? Name the organs of the circulatory system in humans.
Heart sounds are produced due to ______.
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closure of tricuspid and bicuspid valves
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rushing of blood through valves producing turbulence
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closure of atrioventricular and semilunar valves
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entry of blood into auricles
Name the following:
The phase of the cardiac cycle in which the auricles contract.
Draw a neat and labelled diagram.
Internal structure of the heart.
Fill in the blanks with suitable words given below:
The carbon dioxide loaded blood from right ventricle is pumped into the lungs through ______.
Define the Circulatory system.
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
Identify the normal haemoglobin count in human females.
