Question

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Answer 1

Answer:

1.d

2. the human circulatery system is a double circulatery system.

3.because the body does not generate excessive heat due to excessive production of carbon dioxide.

4.1)excess water is lost by transpiration

2)many waste products of plants are stored in vacuole of the cell

3) some waste products are stored in the leaves

5.a colour less liquid containing white blood cells

function: cleans the inside of your body and helps to prevent infection from spreading.

6.1)it provides water and nutrients to the leaves

2)keep the plant cool during a sunny day.

7.nephron functional unit of kidney