Chapter 30, Problem 6A

Summary Introduction

Introduction:

Homeostasis can be defined as a state of equilibrium in which the body’s internal environment lies in the normal range. It is important for the body, as any physiological disturbance can interrupt the basic body function and would result in illness. 

Answer to Problem 6A

Correct Answer:

Option (D)

Explanation of Solution

Explanation/justification for the correct answer:

Option (D) claws. The claws are the foot nails present in bords, reptiles and mammals. The claws have no role in the regulation of the body homeostasis. Hence, the correct answer is option (D).

Explanation for incorrect answer:

Option (A) Kidney. The kidneys play a vital role in balance of salt and water in the body. Hence, it is an incorrect answer.

Option (B) Heart. The heart plays a vital role in maintenance of blood volume and respiratory gases in body.

Option (C) sweat glands. The sweat glands help in maintenance of normal temperature in mammals.