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प्रश्न
Name the following:
The kind of blood cells which can squeeze out through the walls of one category of blood vessels.
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उत्तर
Leucocytes (WBC's)
संबंधित प्रश्न
Describe the function of the heart.
The diagram below represents the human heart in one phase of its function. Study the diagram carefully and answer the questions that follow:
(i) Name the phase.
(ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(iii) Name the parts labelled 1 to 4.
(iv) What type of blood flows through ‘2’?
(v) State the function of the part numbered ‘5’.
(vi) Name the membrane that covers the heart.
Which side of the heart (left or right) contains oxygenated blood?
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
Explain the following:
Why is the closed circulatory system more efficient than the open system?
In which organ of our body does blood get oxygenated?
_____ gas is transported to all parts of the body.
The process of keeping the blood flowing continuously throughout the body.
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
Name these:
Two kinds of circulatory systems in different animals.
