Question

1. The kidneys in human beings are a part of the system for (a) nutrition . (b)excretion. (c) respiration (d) transportation.
ANSWER IS( B) EXCRETION​

Answer 1

Explanation:

ANSWER IS( B) EXCRETION

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Answer 2

Answer:

Excretion - Excretion is the process of body's toxic wastes' removal. The different organs which remove wastes from the body are - kidneys and lungs. Lungs excrete the carbon dioxide and kidneys excrete the urea. So, the kidney is the main excretory organ in human beings.