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प्रश्न
Given below is a certain structure, write its chief functional activity.
Blood platelets - ______
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उत्तर
Blood platelets - blood coagulation
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
The chief function of lymph nodes is to
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
Fill in the blank:
The blood vessels which carry blood from the heart to different parts of the body are called ______.
Why is circulatory system also known as transport system?
In what ways does the blood entering the kidney differ from that leaving the kidney?
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The walls of auricles are thicker than those of ventricles.
Identify the CORRECT statement/s regarding blood clotting.
