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प्रश्न
What is the liquid part of the blood called? What is the function of platelets in the blood?
उत्तर
The liquid part of the blood is called plasma. The main function of the platelets is to prevent bleeding. They contain essential chemicals that help in the coagulation of blood.
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संबंधित प्रश्न
Why is blood needed by all the parts of a body?
Differentiate between LUBB and DUP (names of the valves whose closure produce the sound)
The diagram below represents the simplified pathway of the circulation of blood. Study the same and answer the questions which follow:
(i) Name the blood vessels labelled 1 and 2.
(ii) State the function of blood vessels labelled 5 and 8.
(iii) What is the importance of the blood vessel labelled 6?
(iv) Which blood vessel will contain a high amount of glucose and amino acids after a meal?
(v) Draw a diagram of the different blood cells as seen in a smear of human blood.
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
Match the items given in Column A with the most appropriate ones in Column B and REWRITE the correct matching pairs :
Column A Column B
(i) Cranial nerves Testosterone
(ii) Leydig cells Natural reflex
(iii) Acetylcholine 12 pairs
(iv) Spinal nerves Prolactin
(v) Sneezing Neurotransmitter
- 18 pairs
- 31 pairs
- Conditioned reflex
Fill in the blanks with suitable words given below:
The two lower chambers of the heart are called ______.
Describe the functions of the: Heart
Name the main parts of the circulatory system
Differentiate between:
Open circulatory system and Closed circulatory system.
Long answer question:
Describe human blood and give its functions.
