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प्रश्न
Given below is a certain structure, write its chief functional activity.
Lymphocytes - ______.
उत्तर
Lymphocytes - Produce antibodies.
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Which side of the heart (left or right) contains oxygenated blood?
Name the following:
The phase of the cardiac cycle in which the auricles contract.
When are the sounds "LUBB" and "DUP" produced respectively during heart beat?
State the Location: Bundle of His
In which of the following process blood neutrophils play an important role?
Identify the normal haemoglobin count in human females.
Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
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.
