Question

I. Answer the following questions:
1. Why is transport of materials necessary in organisms?
2. Give at least one function of each:
(a) Circulatory system
(b) Heart
(d) RBCs
(e) WBCs
(g) Excretion
(h) Kidney
(j) Ureter
(k) Urinary bladder
(m) Dialysis
(n) Xylem
(p) Transpiration
(q) Stomata
3. Describe in brief the circulatory system in humans.
4. What are the components of blood?
5. Why is blood needed for all parts of the body?
(c) Blood
(f) Platelets
(i) Nephron
(1) Sweating
(o) Phloem​

Answer 1

Answer:

1 Answer. (a) Transport in organisms (plants and animals) is necessary as it absorbs all essential substances and transports them to all parts so that they reach each and every cell of the body. ... The water containing minerals called cell sap is carried by the xylem vessels to all the parts of the body.

Explanation:

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