Question

5. Why is transport of materials necessary in plants or animals? Explain.
6. Describe the composition of blood.
7. Describe how human body gets rid of wastes through excretion with the help of a diagram
8. Explain the difference between
(a) artery and vein.
(b) xylem and phloem.
(c) urea and urine.
(d) heart and kidney.
(e) red blood cells and white blood cells.
9. Give reason.
(a) Transpiration is necessary for plants.
(b) It is necessary to excrete waste products.
(c) Blood is needed by all parts of the body.
9. Write roles of the following:
(a) RBCs
(b) WBCs
(c)Platelets​

Answer 1

Answer:

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Answer 2

Answer:

Sup

Explanation:

Transport of materials is necessary for plants or animals because due to it the nutrients and oxygen are made available to all parts of the body.If the the transport of necessary nutrients and oxygen does not take place in the body,the body will not able to survive.