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Question
Give reason for the following:
Atrial wall is less muscular than the ventricular wall.
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Solution
Atrial wall is less muscular than the ventricular wall because the major function of atria is
to receive blood from the body and pump in into very next ventricles. While the ventricles
pump the blood out of the heart. Right ventricle to the lungs and the left ventricle to all the
body parts.
RELATED QUESTIONS
Draw the structure of a human heart and label its parts.
The nearest organ to which the heart supplies oxygenated blood is:
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
Artery and vein (direction of blood flow)
Give reason for the following:
The blood groups of both the donor and recipient must be known before transfusing blood.
Match the statements in Column A with those in Column B
| Column A | Column B | ||
| 1 | Heart | a | Movement of materials |
| 2 | Food and oxygen | b | Channels for transport in man |
| 3 | Carrier of oxygen | c | A living pump |
| 4 | Circulation | d | Materials needed by every living being |
| 5 | Arteries and veins | e | Red blood cells |
Find the odd one out, giving reason.
Long answer question:
Describe human blood and give its functions.
Which of the following is/are required for the production of RBCs?
Serum differs from blood in lacking ____________.
