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Fill in the following blanks with suitable words :
The rhythmic contraction and relaxation of the heart is called …..............

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heartbeat
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LAKHMIR SINGH & MANJIT KAUR-TRANSPORT IN ANIMAL AND PLANTS-EXERCISE
  1. Fill in the following blanks with suitable words : Our heart has …....

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  2. Fill in the following blanks with suitable words : Circulation of b...

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  3. Fill in the following blanks with suitable words : The rhythmic con...

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  4. Fill in the following blanks with suitable words : The main excreto...

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  5. Fill in the following blanks with suitable words : The tubes which ...

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  6. Fill in the following blanks with suitable words : The tube which c...

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  7. Fill in the following blanks with suitable words : The kidneys cont...

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  8. Fill in the following blanks with suitable words : Excretion involv...

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  9. Fill in the following blanks with suitable words : Waters and miner...

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  10. Fill in the following blanks with suitable words : Water absorbed ...

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  11. Fill in the following blanks with suitable words : The vascular tis...

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  12. Fill in the following blanks with suitable words : The vascular ti...

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  13. Water reaches great heights in the trees because of suction pull cause...

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  14. (a) Why is transport of materials necessary in an organism (plant or a...

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  15. What is blood? Name all the components of blood. What makes the blood ...

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  16. Why is blood needed by all the parts of a body?

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  17. What will happen if there are no platelets in the blood?

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  18. State the functions of blood

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  19. What is heart? Describe the function of heart .

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  20. How many chambers are there in the heart?

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