Question

(1) How do the Kidneys clean the blood?. A) by breaking down nutrients. B) kidneys clean the blood by filtering it to remove wastes. C) by absorbing nutrients. D) by destroying microbes and preventing preventing infection. . (2) What role does skin play in the excretory system?. A) secretes excess water as sweat. B) protects against pathogens. C) absorbs water through osmosis. D) facilitates gas exchange

Answer 1

The correct answer for this question is: "B) kidneys clean the blood by filtering it to remove wastes." Kidneys clean the blood by filtering it and removing the waste.

The correct answer for this question is: "A) secretes excess water as sweat." The role of the skin in the excretory system is to secrete waste and excess water as sweat.

Answer 2

Lesson 6 Unit 4 biology quick check answers:

1. b

2. a

3. c

4.d

5.c

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